[analyzer] Refactoring: Drop the 'GR' prefix.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122424 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/GR/SimpleSValBuilder.cpp b/lib/GR/SimpleSValBuilder.cpp
index 03f8e30..2fc2347 100644
--- a/lib/GR/SimpleSValBuilder.cpp
+++ b/lib/GR/SimpleSValBuilder.cpp
@@ -358,7 +358,7 @@
         case BO_XorAssign:
         case BO_OrAssign:
         case BO_Comma:
-          assert(false && "'=' and ',' operators handled by GRExprEngine.");
+          assert(false && "'=' and ',' operators handled by ExprEngine.");
           return UnknownVal();
         case BO_PtrMemD:
         case BO_PtrMemI: