Rename static analyzer namespace 'GR' to 'ento'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122492 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CocoaConventions.cpp b/lib/Analysis/CocoaConventions.cpp
index 5fb58de..2c263ca 100644
--- a/lib/Analysis/CocoaConventions.cpp
+++ b/lib/Analysis/CocoaConventions.cpp
@@ -18,7 +18,7 @@
 #include "llvm/ADT/StringExtras.h"
 
 using namespace clang;
-using namespace GR;
+using namespace ento;
 
 using llvm::StringRef;