Fix printing of HCallKnownGlobal.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/10941009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12537 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen-instructions.cc

@@ -707,7 +707,7 @@ void HCallGlobal::PrintDataTo(StringStream* stream) {
 
 
 void HCallKnownGlobal::PrintDataTo(StringStream* stream) {
-  stream->Add("o ", target()->shared()->DebugName());
+  stream->Add("%o ", target()->shared()->DebugName());
   stream->Add("#%d", argument_count());
 }