Start implementing support for @synchonized with the darwin ObjC API.

Patch by Fariborz!

llvm-svn: 59377
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 50b35bd..5d99dba 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -401,6 +401,7 @@
   void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S);
   void EmitObjCAtTryStmt(const ObjCAtTryStmt &S);
   void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S);
+  void EmitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt &S);
   
   //===--------------------------------------------------------------------===//
   //                         LValue Expression Emission