[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/MacOSXAPIChecker.cpp b/lib/GR/Checkers/MacOSXAPIChecker.cpp
index c798cb2..316e37a 100644
--- a/lib/GR/Checkers/MacOSXAPIChecker.cpp
+++ b/lib/GR/Checkers/MacOSXAPIChecker.cpp
@@ -25,6 +25,7 @@
 #include "llvm/Support/raw_ostream.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 class MacOSXAPIChecker : public CheckerVisitor<MacOSXAPIChecker> {
@@ -44,7 +45,7 @@
 };
 } //end anonymous namespace
 
-void clang::RegisterMacOSXAPIChecker(GRExprEngine &Eng) {
+void GR::RegisterMacOSXAPIChecker(GRExprEngine &Eng) {
   if (Eng.getContext().Target.getTriple().getVendor() == llvm::Triple::Apple)
     Eng.registerCheck(new MacOSXAPIChecker());
 }