[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/UndefResultChecker.cpp b/lib/GR/Checkers/UndefResultChecker.cpp
index df3ad3e..f4d3035 100644
--- a/lib/GR/Checkers/UndefResultChecker.cpp
+++ b/lib/GR/Checkers/UndefResultChecker.cpp
@@ -18,6 +18,7 @@
 #include "clang/GR/PathSensitive/GRExprEngine.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 class UndefResultChecker 
@@ -32,7 +33,7 @@
 };
 } // end anonymous namespace
 
-void clang::RegisterUndefResultChecker(GRExprEngine &Eng) {
+void GR::RegisterUndefResultChecker(GRExprEngine &Eng) {
   Eng.registerCheck(new UndefResultChecker());
 }