*** empty log message ***

llvm-svn: 3087
diff --git a/llvm/tools/opt/opt.cpp b/llvm/tools/opt/opt.cpp
index 01be7eb..9fbfea7 100644
--- a/llvm/tools/opt/opt.cpp
+++ b/llvm/tools/opt/opt.cpp
@@ -20,7 +20,7 @@
 #include <algorithm>
 
 using std::cerr;
-
+using std::string;
 
 //===----------------------------------------------------------------------===//
 // PassNameParser class - Make use of the pass registration mechanism to