Linux: Fix the build for Ubuntu Precise.

webkit/glue/webcursor_gtk.cc

Index: webkit/glue/webcursor_gtk.cc
===================================================================
--- webkit/glue/webcursor_gtk.cc	(revision 128057)
+++ webkit/glue/webcursor_gtk.cc	(working copy)
@@ -182,7 +182,7 @@
                                                  hotspot_.x(),
                                                  hotspot_.y());
 
-  gdk_pixbuf_unref(pixbuf);
+  g_object_unref(pixbuf);

[Lei Zhang, 2012/03/21 23:16:43]

erg: This is needed to build on 12.04.

In r122389, the change that caused the crash in http://crbug.com/116274 is the
change to line 188 below. I tested this and repro'd the crash if I change line
188, but changing just line 185 here is fine.

 
   if (unref_)
     gdk_cursor_unref(unref_);