Bug#667873: gridlock.app: FTBFS with GCC-4.7

[Yavor Doganov]

tags 667873 + patch
thanks

Patch attached.

--- gridlock.app-1.10.orig/NSObject+Extensions.m
+++ gridlock.app-1.10/NSObject+Extensions.m
@@ -117,12 +117,12 @@ BOOL EDClassIsSuperclassOfClass(Class aC
 {
     Class class;
 
-    class = subClass->super_class;
+    class = class_getSuperclass(subClass);
     while(class != nil)
         {
         if(class == aClass)
             return YES;
-        class = class->super_class;
+        class = class_getSuperclass(class);
         }
     return NO;
 }