[libgd] libgd.m4: require gtk+-3.6

[Alexandre Rostovtsev <arostovtsev src gnome org>]

commit a0289c6a12fdc7043099d250dc9daefd1f63203e
Author: Alexandre Rostovtsev <tetromino gentoo org>
Date:   Mon Dec 17 04:07:17 2012 -0500

    libgd.m4: require gtk+-3.6
    
    https://bugzilla.gnome.org/show_bug.cgi?id=690330

 libgd.m4 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgd.m4 b/libgd.m4
index 733b9a6..3fc431e 100644
--- a/libgd.m4
+++ b/libgd.m4
@@ -38,7 +38,7 @@ AC_DEFUN([LIBGD_INIT], [
     AC_REQUIRE([LT_INIT])
     AC_REQUIRE([AC_CHECK_LIBM])
     AC_SUBST(LIBM)
-    LIBGD_MODULES="gtk+-3.0 >= 3.4"
+    LIBGD_MODULES="gtk+-3.0 >= 3.6"
     LIBGD_GIR_INCLUDES="Gtk-3.0"
     LIBGD_SOURCES=""