Rename -nostdclanginc to -nobuiltininc.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85116 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index c9d0b26..0e7474c 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -736,7 +736,7 @@
     CmdArgs.push_back("-g");
 
   Args.AddLastArg(CmdArgs, options::OPT_nostdinc);
-  Args.AddLastArg(CmdArgs, options::OPT_nostdclanginc);
+  Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc);
 
   Args.AddLastArg(CmdArgs, options::OPT_isysroot);