Rename 'SValuator' to 'SValBuilder'.  The new name
reflects what the class actually does.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120605 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/GRState.cpp b/lib/Checker/GRState.cpp
index 86b6f81..4a55cee 100644
--- a/lib/Checker/GRState.cpp
+++ b/lib/Checker/GRState.cpp
@@ -238,10 +238,10 @@
 
   // Build an expression for 0 <= Idx < UpperBound.
   // This is the same as Idx + MIN < UpperBound + MIN, if overflow is allowed.
-  // FIXME: This should probably be part of SValuator.
+  // FIXME: This should probably be part of SValBuilder.
   GRStateManager &SM = getStateManager();
   ValueManager &VM = SM.getValueManager();
-  SValuator &SV = VM.getSValuator();
+  SValBuilder &SV = VM.getSValBuilder();
   ASTContext &Ctx = VM.getContext();
 
   // Get the offset: the minimum value of the array index type.