Rename ExplicitCCastExpr to CStyleCastExpr

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58331 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/Environment.cpp b/lib/Analysis/Environment.cpp
index a5f158c..b5e5e21 100644
--- a/lib/Analysis/Environment.cpp
+++ b/lib/Analysis/Environment.cpp
@@ -47,7 +47,7 @@
       // subexpression that has a value.
        
       case Stmt::ImplicitCastExprClass:
-      case Stmt::ExplicitCCastExprClass: {
+      case Stmt::CStyleCastExprClass: {
         CastExpr* C = cast<CastExpr>(E);
         QualType CT = C->getType();
         QualType ST = C->getSubExpr()->getType();