Better fix for r177725.

It turns out that

-foo;

can be an objective C method declaration. So instead of the previous
solution, recognize objective C methods only if we are in a declaration
scope.

llvm-svn: 177740
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 0840302..5988a90 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -2815,6 +2815,7 @@
 
   // If there's no return type (very rare in practice!), LLVM and Google style
   // agree.
+  verifyFormat("- foo;");
   verifyFormat("- foo:(int)f;");
   verifyGoogleFormat("- foo:(int)foo;");
 }