Make use of const-correct ParseCommandLineOptions

llvm-svn: 150000
diff --git a/clang/tools/arcmt-test/arcmt-test.cpp b/clang/tools/arcmt-test/arcmt-test.cpp
index 6efb707..2fd1444 100644
--- a/clang/tools/arcmt-test/arcmt-test.cpp
+++ b/clang/tools/arcmt-test/arcmt-test.cpp
@@ -353,7 +353,7 @@
     if (StringRef(argv[optargc]) == "--args")
       break;
   }
-  llvm::cl::ParseCommandLineOptions(optargc, const_cast<char **>(argv), "arcmt-test");
+  llvm::cl::ParseCommandLineOptions(optargc, argv, "arcmt-test");
 
   if (VerifyTransformedFiles) {
     if (ResultFiles.empty()) {