gtk3: Add a direct dependency to freetype2

Since 3.24 (probably from upstream commit d60cd1f4) freetype headers are
directly included. Adjust configure script to check for freetype2 too.

Should address PR pkg/53690.

Index: distinfo
===================================================================
RCS file: /cvsroot/pkgsrc/x11/gtk3/distinfo,v
retrieving revision 1.57
diff -u -p -r1.57 distinfo
--- distinfo	23 Oct 2018 07:42:23 -0000	1.57
+++ distinfo	29 Oct 2018 15:40:36 -0000
@@ -6,8 +6,8 @@ SHA512 (gtk+-3.24.1.tar.xz) = 13ddb1099a
 Size (gtk+-3.24.1.tar.xz) = 19307612 bytes
 SHA1 (patch-aj) = cbfab43f27352f7c6bc57a7c562c2d84c69da07a
 SHA1 (patch-config.h.in) = dc5f8741eed554f88c0b6834cadad95083e4dc8f
-SHA1 (patch-configure) = d531b33e52facf960058f1223b70db680da35300
-SHA1 (patch-configure.ac) = 68793f40752f25ccaecc958c72c23a504670bea5
+SHA1 (patch-configure) = 0c5d666a862a0dc6482898112517846b3851f34e
+SHA1 (patch-configure.ac) = d0b1ca5a67fe76d3141e896d15080a64c375d42e
 SHA1 (patch-gdk_x11_gdkscreen-x11.h) = 455d6c3de8421984ba3c99baf51cd31982a3df78
 SHA1 (patch-gdk_x11_gdkwindow-x11.h) = c80f7c9d5a570817e54fd74fa903a53400dc6f64
 SHA1 (patch-gtk_a11y_gtkaccessibility.c) = 13232c85bd570f21ea03153dacde4ca98c7c76a8
Index: patches/patch-configure
===================================================================
RCS file: /cvsroot/pkgsrc/x11/gtk3/patches/patch-configure,v
retrieving revision 1.4
diff -u -p -r1.4 patch-configure
--- patches/patch-configure	23 Oct 2018 07:42:23 -0000	1.4
+++ patches/patch-configure	29 Oct 2018 15:40:36 -0000
@@ -1,6 +1,7 @@
 $NetBSD: patch-configure,v 1.4 2018/10/23 07:42:23 leot Exp $
 
-Make gtk3-atk-bridge an option to avoid unwanted dbus dependency.
+- Add a (direct) dependency to freetype2, PR pkg/53690.
+- Make gtk3-atk-bridge an option to avoid unwanted dbus dependency.
 
 --- configure.orig	2018-09-19 01:46:05.000000000 +0000
 +++ configure
@@ -20,6 +21,25 @@ Make gtk3-atk-bridge an option to avoid 
    --with-html-dir=PATH    path to installed docs
    --with-xml-catalog=CATALOG
                            path to xml catalog to use
+@@ -25637,15 +25639,15 @@ GTK_DEP_LIBS_FOR_X=
+ X_EXTENSIONS=
+ 
+ if test "x$enable_x11_backend" = xyes; then
+-  X_PACKAGES=fontconfig
++  X_PACKAGES="fontconfig freetype2"
+ 
+   #
+   # We use fontconfig very peripherally when decoding the default
+   # settings.
+   #
+-  if $PKG_CONFIG --exists fontconfig; then : ; else
++  if $PKG_CONFIG --exists fontconfig freetype2; then : ; else
+     as_fn_error $? "
+-*** fontconfig (http://www.fontconfig.org) is required by the X11 backend." "$LINENO" 5
++*** fontconfig and freetype2 are required by the X11 backend." "$LINENO" 5
+   fi
+ 
+   #
 @@ -26974,8 +26976,20 @@ fi
  # Check for Accessibility Toolkit flags
  ########################################
Index: patches/patch-configure.ac
===================================================================
RCS file: /cvsroot/pkgsrc/x11/gtk3/patches/patch-configure.ac,v
retrieving revision 1.2
diff -u -p -r1.2 patch-configure.ac
--- patches/patch-configure.ac	8 Sep 2014 12:06:48 -0000	1.2
+++ patches/patch-configure.ac	29 Oct 2018 15:40:36 -0000
@@ -1,10 +1,30 @@
 $NetBSD: patch-configure.ac,v 1.2 2014/09/08 12:06:48 wiz Exp $
 
-Make gtk3-atk-bridge an option to avoid unwanted dbus dependency.
+- Add a (direct) dependency to freetype2, PR pkg/53690.
+- Make gtk3-atk-bridge an option to avoid unwanted dbus dependency.
 
---- configure.ac.orig	2013-01-07 10:50:02.000000000 +0000
+--- configure.ac.orig	2018-09-19 01:42:49.000000000 +0000
 +++ configure.ac
-@@ -1295,8 +1295,13 @@ AC_SUBST(GDK_DEP_CFLAGS)
+@@ -1024,15 +1024,15 @@ GTK_DEP_LIBS_FOR_X=
+ X_EXTENSIONS=
+ 
+ if test "x$enable_x11_backend" = xyes; then
+-  X_PACKAGES=fontconfig
++  X_PACKAGES="fontconfig freetype2"
+ 
+   #
+   # We use fontconfig very peripherally when decoding the default
+   # settings.
+   #
+-  if $PKG_CONFIG --exists fontconfig; then : ; else
++  if $PKG_CONFIG --exists fontconfig freetype2; then : ; else
+     AC_MSG_ERROR([
+-*** fontconfig (http://www.fontconfig.org) is required by the X11 backend.])
++*** fontconfig and freetype2 are required by the X11 backend.])
+   fi
+ 
+   #
+@@ -1400,8 +1400,13 @@ AC_SUBST(GDK_DEP_CFLAGS)
  # Check for Accessibility Toolkit flags
  ########################################