Fix regression introduced in 7ef25ab, global rlimits not initialized

Services that are instantiated by plugins, and thus don't have a .conf
file, tried to use uninitialized rlimits.  This caused the kernel to
immediately kill those services for violating their own rlimits.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/conf.c

@@ -902,6 +902,14 @@ int conf_init(uev_ctx_t *ctx)
 	/* default hostname */
 	hostname = strdup(DEFHOST);
 
+	/*
+	 * Get current global limits, which may be overridden from both
+         * finit.conf, for Finit and its services like getty+watchdogd,
+         * and *.conf in finit.d/, for each service(s) listed there.
+         */
+        for (int i = 0; i < RLIMIT_NLIMITS; i++)
+                getrlimit(i, &global_rlimit[i]);
+
 	/* prepare /etc watcher */
 	fd = iwatch_init(&iw_conf);
 	if (fd < 0)