Fix to MXS-35: https://mariadb.atlassian.net/browse/MXS-35

The parent process now correctly returns the value from the child process.

server/core/gw_utils.c

@@ -141,7 +141,7 @@ setipaddress(struct in_addr *a, char *p) {
  * Daemonize the process by forking and putting the process into the
  * background.
  */
-void gw_daemonize(void) {
+bool gw_daemonize(void) {
 	pid_t pid;
 
 	pid = fork();
@@ -153,13 +153,14 @@ void gw_daemonize(void) {
 
 	if (pid != 0) {
 		/* exit from main */
-		exit(0);
+		return true;
 	}
 
 	if (setsid() < 0) {
 		fprintf(stderr, "setsid() error %s\n", strerror(errno));
 		exit(1);
 	}
+        return false;
 }
 
 /**