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

llvm-svn: 122492
diff --git a/clang/lib/GR/Checkers/ExprEngine.cpp b/clang/lib/GR/Checkers/ExprEngine.cpp
index 6e82504..2ff665c 100644
--- a/clang/lib/GR/Checkers/ExprEngine.cpp
+++ b/clang/lib/GR/Checkers/ExprEngine.cpp
@@ -37,7 +37,7 @@
 #endif
 
 using namespace clang;
-using namespace GR;
+using namespace ento;
 using llvm::dyn_cast;
 using llvm::dyn_cast_or_null;
 using llvm::cast;