$NetBSD$

Initialize log_mutex dynamically in log_init(). The static initializiation
via PTHREAD_MUTEX_INITIALIZER is not sufficient because it happens only once,
at program startup.

--- log.c.orig	2007-01-03 22:02:06.000000000 +0100
+++ log.c
@@ -127,6 +127,10 @@ static void log_log(int priority, const 
  */
 int log_init() {
 
+  if (pthread_mutex_init(&log_mutex, NULL)) {
+    return FALSE; 
+  }
+
   if(!Run.dolog) {
     return TRUE;
   }