Turn on 'auto' in plain  objc mode.

llvm-svn: 126134
diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 5a7fc7e..5e3bfe7 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -1244,7 +1244,7 @@
                                          DiagID, getLang());
       break;
     case tok::kw_auto:
-      if (getLang().CPlusPlus0x)
+      if (getLang().CPlusPlus0x || getLang().ObjC1)
         isInvalid = DS.SetTypeSpecType(DeclSpec::TST_auto, Loc, PrevSpec,
                                        DiagID);
       else