--- src/coproc.c.orig	2005-10-21 11:59:44.000000000 +1000
+++ src/coproc.c	2013-09-23 23:50:19.000000000 +1000
@@ -127,6 +127,7 @@ int UT_coproc_logger(int fd, char*name, 
     if (UT_coproc_cleanup(cleaner,0,pid_in) >= 0) 
         UT_tmr_set(cleaner,COPROC_WAITPID_INTERVAL,UT_coproc_cleanup,pid_in);
   }
+  return 0;
 }
 
 /*******************************************************************************