Pluralize malloc failure string

Not particularly useful in English (will always be plural), but useful in
languages that have multiple plural forms.

Signed-off-by: Allan McRae <allan@archlinux.org>

src/pacman/conf.c

@@ -95,7 +95,9 @@ config_t *config_new(void)
 	config_t *newconfig = calloc(1, sizeof(config_t));
 	if(!newconfig) {
 		pm_printf(ALPM_LOG_ERROR,
-				_("malloc failure: could not allocate %zd bytes\n"), sizeof(config_t));
+				_n("malloc failure: could not allocate %zd byte\n",
+				   "malloc failure: could not allocate %zd bytes\n", sizeof(config_t)),
+				sizeof(config_t));
 		return NULL;
 	}
 	/* defaults which may get overridden later */