[gtk-osx] Fix quoting typo.

[John Ralls <jralls src gnome org>]

commit 38bd9f411218882e5f8708498857a235e931d355
Author: John Ralls <jralls ceridwen us>
Date:   Fri Oct 27 10:24:00 2017 -0700

    Fix quoting typo.

 modulesets-stable/gtk-osx.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets-stable/gtk-osx.modules b/modulesets-stable/gtk-osx.modules
index fa52834..351097d 100644
--- a/modulesets-stable/gtk-osx.modules
+++ b/modulesets-stable/gtk-osx.modules
@@ -81,7 +81,7 @@
             hash="sha256:f00e5d9e2a2948b1da25fcba734a6b7a40f556de8bc9f528a53f6569969ac5d0">
       <patch file="https://git.gnome.org/browse/gtk-osx/plain/patches/glib-gint64-long-long.patch"; 
strip="1"/>
       <!-- Fix should be in glib-2.54.2 -->
-      <patch 
file='https://git.gnome.org/browse/gtk-osx/plain/patches/glib-2.52-Fallback-to-CFStringGetCSTring-if-CFStringGetC.patch";
 strip="1"/>
+      <patch 
file="https://git.gnome.org/browse/gtk-osx/plain/patches/glib-2.52-Fallback-to-CFStringGetCSTring-if-CFStringGetC.patch";
 strip="1"/>
     </branch>
     <dependencies>
         <dep package="libffi"/>