[analyzer] Refactoring: Move stuff into namespace 'GR'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122423 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/GR/Checkers/StreamChecker.cpp b/lib/GR/Checkers/StreamChecker.cpp
index dc7bd62..01186b5 100644
--- a/lib/GR/Checkers/StreamChecker.cpp
+++ b/lib/GR/Checkers/StreamChecker.cpp
@@ -20,6 +20,7 @@
 #include "llvm/ADT/ImmutableMap.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 
@@ -104,14 +105,16 @@
 } // end anonymous namespace
 
 namespace clang {
+namespace GR {
   template <>
   struct GRStateTrait<StreamState> 
     : public GRStatePartialTrait<llvm::ImmutableMap<SymbolRef, StreamState> > {
     static void *GDMIndex() { return StreamChecker::getTag(); }
   };
 }
+}
 
-void clang::RegisterStreamChecker(GRExprEngine &Eng) {
+void GR::RegisterStreamChecker(GRExprEngine &Eng) {
   Eng.registerCheck(new StreamChecker());
 }