Convert return values to bool in fpm_unix.c

The return value was always either 0 or -1

Author: Girgias

sapi/fpm/fpm/fpm.c

@@ -56,7 +56,7 @@ int fpm_init(int argc, char **argv, char *config, char *prefix, char *pid, int t
 	if (!fpm_php_init_main()           ||
 	    !fpm_stdio_init_main()         ||
 	    !fpm_conf_init_main(test_conf, force_daemon) ||
-	    0 > fpm_unix_init_main()          ||
+	    !fpm_unix_init_main()          ||
 	    !fpm_scoreboard_init_main()    ||
 	    !fpm_pctl_init_main()          ||
 	    !fpm_env_init_main()           ||

sapi/fpm/fpm/fpm_children.c

@@ -152,7 +152,7 @@ static void fpm_child_init(struct fpm_worker_pool_s *wp) /* {{{ */
 	if (!fpm_stdio_init_child(wp) /* Note: this never fails */  ||
 	    !fpm_log_init_child(wp)    ||
 	    !fpm_status_init_child(wp) ||
-	    0 > fpm_unix_init_child(wp)   ||
+	    !fpm_unix_init_child(wp)   ||
 	    !fpm_signals_init_child()  ||
 	    !fpm_env_init_child(wp) /* Note: this never fails */    ||
 	    !fpm_php_init_child(wp) /* Note: this never fails */) {

sapi/fpm/fpm/fpm_sockets.c

@@ -242,7 +242,7 @@ static int fpm_sockets_new_listening_socket(struct fpm_worker_pool_s *wp, struct
 
 		umask(saved_umask);
 
-		if (0 > fpm_unix_set_socket_permissions(wp, path)) {
+		if (!fpm_unix_set_socket_permissions(wp, path)) {
 			close(sock);
 			return -1;
 		}
@@ -485,7 +485,7 @@ bool fpm_sockets_init_main(void)
 				break;
 
 			case FPM_AF_UNIX :
-				if (0 > fpm_unix_resolve_socket_permissions(wp)) {
+				if (!fpm_unix_resolve_socket_permissions(wp)) {
 					return false;
 				}
 				wp->listening_socket = fpm_socket_af_unix_listening_socket(wp);