Rename GRState to ProgramState, and cleanup some code formatting along the way.

llvm-svn: 137665
diff --git a/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
index a839644..0daec53 100644
--- a/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
@@ -53,7 +53,7 @@
   while (StoreE) {
     if (const BinaryOperator *B = dyn_cast<BinaryOperator>(StoreE)) {
       if (B->isCompoundAssignmentOp()) {
-        const GRState *state = C.getState();
+        const ProgramState *state = C.getState();
         if (state->getSVal(B->getLHS()).isUndef()) {
           str = "The left expression of the compound assignment is an "
                 "uninitialized value. The computed value will also be garbage";