[libclang] Make sure that all top-level decls in a @implementation are
marked as such.

Previously we missed tag declarations; fixes rdar://10902015

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151283 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index 416cb39..27bdd0b 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -1532,9 +1532,7 @@
     }
   }
 
-  DeclsInGroup.push_back(ObjCImpDecl);
-  return Actions.BuildDeclaratorGroup(
-           DeclsInGroup.data(), DeclsInGroup.size(), false);
+  return Actions.ActOnFinishObjCImplementation(ObjCImpDecl, DeclsInGroup);
 }
 
 Parser::DeclGroupPtrTy