[gtk-osx] Add note for WebKit patch

[John Ralls <jralls src gnome org>]

commit a2d28de86da20c0d1a998be36f5635dcd3626faf
Author: Philip Chimento <philip chimento gmail com>
Date:   Wed Apr 15 23:32:33 2015 -0700

    Add note for WebKit patch
    
    This patch apparently worked around a compiler bug that was fixed in
    XCode 6.3. Add a note to that effect so that we know when the patch can
    be deleted.

 modulesets-stable/gtk-osx-unsupported.modules   |    2 ++
 modulesets-unstable/gtk-osx-unsupported.modules |    2 ++
 modulesets/gtk-osx-unsupported.modules          |    2 ++
 3 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/modulesets-stable/gtk-osx-unsupported.modules b/modulesets-stable/gtk-osx-unsupported.modules
index 8fdb9b4..db151db 100644
--- a/modulesets-stable/gtk-osx-unsupported.modules
+++ b/modulesets-stable/gtk-osx-unsupported.modules
@@ -286,6 +286,8 @@
              strip="1"/>
       <patch 
file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-140167-disable-netscape-api.patch";
              strip="1"/>
+      <!-- This patch can be commented out for XCode >= 6.3, but does no harm if
+      it's left in -->
       <patch file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-133293-cfi-clang-failure.patch";
              strip="1"/>
       <patch file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-126433-check-platform-gtk.patch";
diff --git a/modulesets-unstable/gtk-osx-unsupported.modules b/modulesets-unstable/gtk-osx-unsupported.modules
index 65b227a..5f207a5 100644
--- a/modulesets-unstable/gtk-osx-unsupported.modules
+++ b/modulesets-unstable/gtk-osx-unsupported.modules
@@ -216,6 +216,8 @@
              strip="1"/>
       <patch 
file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-140167-disable-netscape-api.patch";
              strip="1"/>
+      <!-- This patch can be commented out for XCode >= 6.3, but does no harm if
+      it's left in -->
       <patch file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-133293-cfi-clang-failure.patch";
              strip="1"/>
       <patch file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-126433-check-platform-gtk.patch";
diff --git a/modulesets/gtk-osx-unsupported.modules b/modulesets/gtk-osx-unsupported.modules
index 9869a72..343fb3a 100644
--- a/modulesets/gtk-osx-unsupported.modules
+++ b/modulesets/gtk-osx-unsupported.modules
@@ -227,6 +227,8 @@
              strip="1"/>
       <patch 
file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-140167-disable-netscape-api.patch";
              strip="1"/>
+      <!-- This patch can be commented out for XCode >= 6.3, but does no harm if
+      it's left in -->
       <patch file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-133293-cfi-clang-failure.patch";
              strip="1"/>
       <patch file="http://git.gnome.org/browse/gtk-osx/plain/patches/webkit-126433-check-platform-gtk.patch";