Add simpler checker to check if variables captured by a block are uninitialized.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96341 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/GRExprEngine.cpp b/lib/Checker/GRExprEngine.cpp
index 7f40d4d..7f86319 100644
--- a/lib/Checker/GRExprEngine.cpp
+++ b/lib/Checker/GRExprEngine.cpp
@@ -311,6 +311,7 @@
   RegisterUndefinedArraySubscriptChecker(Eng);
   RegisterUndefinedAssignmentChecker(Eng);
   RegisterUndefBranchChecker(Eng);
+  RegisterUndefCapturedBlockVarChecker(Eng);
   RegisterUndefResultChecker(Eng);
 
   // This is not a checker yet.