Driver: Fix spelling of AddCXXStdlibLibArgs, which I copy-n-pasto'd.

llvm-svn: 114147
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 865f290..c1b44e4 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -578,7 +578,7 @@
   setTarget(iPhoneVersion, Major, Minor, Micro);
 }
 
-void DarwinClang::AddClangCXXStdlibLibArgs(const ArgList &Args,
+void DarwinClang::AddCXXStdlibLibArgs(const ArgList &Args,
                                       ArgStringList &CmdArgs) const {
   CXXStdlibType Type = GetCXXStdlibType(Args);