A few property related cleanups to ObjCContainerDecl AST.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62034 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index f39eec3..bac9f7b 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -383,6 +383,12 @@
     sum++;
   return sum;
 }
+unsigned ObjCContainerDecl::getNumProperties() const { 
+  unsigned sum = 0;
+  for (prop_iterator I=prop_begin(), E=prop_end(); I != E; ++I)
+    sum++;
+  return sum;
+}
 
 /// addProperties - Insert property declaration AST nodes into
 /// ObjCContainerDecl's PropertyDecl field.