Improve caret location for the GNU old-style field designator warning, from David Blaikie

llvm-svn: 138684
diff --git a/clang/lib/Parse/ParseInit.cpp b/clang/lib/Parse/ParseInit.cpp
index 2c9278a..ad7bcb2 100644
--- a/clang/lib/Parse/ParseInit.cpp
+++ b/clang/lib/Parse/ParseInit.cpp
@@ -90,7 +90,7 @@
     assert(Tok.is(tok::colon) && "MayBeDesignationStart not working properly!");
     SourceLocation ColonLoc = ConsumeToken();
 
-    Diag(Tok, diag::ext_gnu_old_style_field_designator)
+    Diag(NameLoc, diag::ext_gnu_old_style_field_designator)
       << FixItHint::CreateReplacement(SourceRange(NameLoc, ColonLoc),
                                       NewSyntax.str());