Fix a bug in a recent checkin


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11050 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index e25fe8d..6c15ad5 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -35,7 +35,7 @@
 namespace {
   struct Printer : public MachineFunctionPass {
     std::ostream *OS;
-    const std::string &Banner;
+    const std::string Banner;
 
     Printer (std::ostream *_OS, const std::string &_Banner) :
       OS (_OS), Banner (_Banner) { }