Remove unused argument.

llvm-svn: 81010
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 9dac779..e9b59f5 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -120,7 +120,7 @@
     case Action::AssembleJobClass:
       T = new tools::darwin::Assemble(*this); break;
     case Action::LinkJobClass:
-      T = new tools::darwin::Link(*this, MacosxVersionMin.c_str()); break;
+      T = new tools::darwin::Link(*this); break;
     case Action::LipoJobClass:
       T = new tools::darwin::Lipo(*this); break;
     }