Rename static analyzer namespace 'GR' to 'ento'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122492 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/GR/SimpleConstraintManager.h b/lib/GR/SimpleConstraintManager.h
index 6163693..85d133f 100644
--- a/lib/GR/SimpleConstraintManager.h
+++ b/lib/GR/SimpleConstraintManager.h
@@ -19,7 +19,7 @@
 
 namespace clang {
 
-namespace GR {
+namespace ento {
 
 class SimpleConstraintManager : public ConstraintManager {
   SubEngine &SU;