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

llvm-svn: 122423
diff --git a/clang/lib/GR/Checkers/OSAtomicChecker.cpp b/clang/lib/GR/Checkers/OSAtomicChecker.cpp
index 36b5335..7df7a9e 100644
--- a/clang/lib/GR/Checkers/OSAtomicChecker.cpp
+++ b/clang/lib/GR/Checkers/OSAtomicChecker.cpp
@@ -16,6 +16,7 @@
 #include "clang/Basic/Builtins.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 
@@ -30,7 +31,7 @@
 
 }
 
-void clang::RegisterOSAtomicChecker(GRExprEngine &Eng) {
+void GR::RegisterOSAtomicChecker(GRExprEngine &Eng) {
   Eng.registerCheck(new OSAtomicChecker());
 }