Index: archive_exception.hpp
===================================================================
--- archive_exception.hpp	(revision 52)
+++ archive_exception.hpp	(working copy)
@@ -46,7 +46,7 @@
     {}
     virtual const char *what( ) const throw( )
     {
-        const char *msg;
+        const char *msg = "unknown error";
         switch(code){
         case unregistered_class:
             msg = "unregistered class";