Index: src/runtime/runtime.h
==================================================================
--- src/runtime/runtime.h
+++ src/runtime/runtime.h
@@ -72,11 +72,11 @@
 	const char *types;
 };
 
 struct objc_super {
 	id self;
-	Class class;
+	Class cls;
 };
 
 struct objc_method {
 	struct objc_selector sel;
 	IMP imp;
@@ -220,13 +220,13 @@
 }
 
 static inline BOOL
 class_isMetaClass(Class cls_)
 {
-	struct objc_class *cls = cls_;
+	struct objc_class *cls = (struct objc_class*)cls_;
 
 	return (cls->info & OBJC_CLASS_INFO_METACLASS);
 }
 
 #undef OBJC_BRIDGE
 
 #endif