Fix comment typo.

Patch by Rui Paulo!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140448 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp b/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
index 480342c..c02b5b1 100644
--- a/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
@@ -50,7 +50,7 @@
   public ProgramStatePartialTrait<llvm::ImmutableList<const MemRegion*> > {
     static void *GDMIndex() { static int x = 0; return &x; }
 };
-} // end GR namespace
+} // end of ento (ProgramState) namespace
 } // end clang namespace