--- src/tmr.c.orig	2005-10-24 11:40:32.000000000 +1000
+++ src/tmr.c	2013-09-24 00:37:54.000000000 +1000
@@ -105,8 +105,8 @@ int UT_tmr_update() {
     int rc;
 
     /* Anything to do? Check for (a) no timers; or (b) no expired timers */
-    if (!UT_loop_global.tmr_first) return;              
-    if (timercmp(&UT_loop_global.TOD, UT_loop_global.tmr_first, <)) return; 
+    if (!UT_loop_global.tmr_first) return 0;              
+    if (timercmp(&UT_loop_global.TOD, UT_loop_global.tmr_first, <)) return 0; 
 
     /* One or more timers have expired. Unlink their respective structs
      * from the timers list and link them into an expired list. Then we 
@@ -160,6 +160,7 @@ int UT_tmr_update() {
         tmr = tmr_nxt;
     }
     UT_prf_end( "libut", "timer_callbacks");
+    return 0;
 }
 
 UT_API int UT_tmr_clear(char *name) {
@@ -238,4 +239,5 @@ int UT_tmr_init() {
             NULL);
     UT_shl_cmd_create( "uptime", "show uptime", (UT_shlcmd *)UT_uptime_shlcmd,
             NULL);
+    return 0;
 }