Driver: UnknownHostInfo was always returning 0.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67150 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/HostInfo.cpp b/lib/Driver/HostInfo.cpp
index d43d234..a1dc149 100644
--- a/lib/Driver/HostInfo.cpp
+++ b/lib/Driver/HostInfo.cpp
@@ -175,7 +175,7 @@
                                      getPlatformName().c_str(), 
                                      getOSName().c_str());
 
-  return 0;
+  return TC;
 }
 
 }