Move typedef to a better spot.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3973 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/pub_core_redir.h b/coregrind/pub_core_redir.h
index 59743e1..06f69b5 100644
--- a/coregrind/pub_core_redir.h
+++ b/coregrind/pub_core_redir.h
@@ -61,6 +61,8 @@
 
 // See include/pub_tool_redir.h for details on how to do code replacement.
 
+typedef struct _CodeRedirect CodeRedirect;
+
 // This is the crucial redirection function.  It answers the question: 
 // should this code address be redirected somewhere else?  It's used just
 // before translating a basic block.