hostapd: don't use patches symlinked from wpa_supplicant.

Avoid requiring fixes like e054a3cf3a14d4508ce71fdcbdf61be79d91c79b,
since these are separate packages which happened to have a source file
in common.

srcpkgs/hostapd/patches/patch-src_utils_eloop_c.diff

@@ -1 +0,0 @@
-../../wpa_supplicant/patches/patch-src_utils_eloop_c.diff

srcpkgs/hostapd/patches/patch-src_utils_eloop_c.diff

@@ -0,0 +1,16 @@
+$OpenBSD: patch-src_utils_eloop_c,v 1.5 2015/09/29 11:57:54 dcoppa Exp $
+
+don't try to access list members to free them unless already initialised
+
+--- a/src/utils/eloop.c.orig	Sun Sep 27 21:02:05 2015
++++ b/src/utils/eloop.c	Mon Sep 28 09:35:05 2015
+@@ -1064,6 +1064,9 @@ void eloop_destroy(void)
+ 	struct eloop_timeout *timeout, *prev;
+ 	struct os_reltime now;
+ 
++	if (eloop.timeout.prev == NULL)
++		return;
++
+ 	os_get_reltime(&now);
+ 	dl_list_for_each_safe(timeout, prev, &eloop.timeout,
+ 			      struct eloop_timeout, list) {