[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/PointerSubChecker.cpp b/lib/GR/Checkers/PointerSubChecker.cpp
index 24f839d..44e3d9f 100644
--- a/lib/GR/Checkers/PointerSubChecker.cpp
+++ b/lib/GR/Checkers/PointerSubChecker.cpp
@@ -18,6 +18,7 @@
 #include "clang/GR/PathSensitive/CheckerVisitor.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 class PointerSubChecker 
@@ -73,6 +74,6 @@
   }
 }
 
-void clang::RegisterPointerSubChecker(GRExprEngine &Eng) {
+void GR::RegisterPointerSubChecker(GRExprEngine &Eng) {
   Eng.registerCheck(new PointerSubChecker());
 }