Output the program name (in this case, gccld) with warning about invalid files


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17638 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkArchives.cpp b/lib/Linker/LinkArchives.cpp
index 2194e0e..82b9848 100644
--- a/lib/Linker/LinkArchives.cpp
+++ b/lib/Linker/LinkArchives.cpp
@@ -346,7 +346,8 @@
         return true;
       }
     } else {
-      std::cerr << "Warning: invalid file `" << Pathname << "' ignored.\n";
+      std::cerr << progname << ": Warning: invalid file `" << Pathname 
+                << "' ignored.\n";
     }
   }