create /var/spool/cron in cron init script and change the default crontab...

create /var/spool/cron in cron init script and change the default crontab location to /etc/crontabs (fixes #88)

SVN-Revision: 2621

openwrt/package/base-files/default/etc/init.d/S60cron

 #!/bin/sh
-[ -d /etc/crontabs ] && crond -c /etc/crontabs
+[ -d /etc/crontabs ] && {
+	mkdir -p /var/spool/cron
+	crond -c /etc/crontabs
+}

openwrt/package/busybox/patches/200-etc_crontabs.patch

+diff -urN busybox.old/miscutils/crond.c busybox.dev/miscutils/crond.c
+--- busybox.old/miscutils/crond.c	2004-04-14 19:51:21.000000000 +0200
++++ busybox.dev/miscutils/crond.c	2005-12-11 22:54:07.878256250 +0100
+@@ -36,7 +36,7 @@
+ #define arysize(ary)    (sizeof(ary)/sizeof((ary)[0]))
+ 
+ #ifndef CRONTABS
+-#define CRONTABS        "/var/spool/cron/crontabs"
++#define CRONTABS        "/etc/crontabs"
+ #endif
+ #ifndef TMPDIR
+ #define TMPDIR          "/var/spool/cron"
+diff -urN busybox.old/miscutils/crontab.c busybox.dev/miscutils/crontab.c
+--- busybox.old/miscutils/crontab.c	2004-04-14 19:51:21.000000000 +0200
++++ busybox.dev/miscutils/crontab.c	2005-12-11 22:54:28.647554250 +0100
+@@ -28,7 +28,7 @@
+ #include <sys/resource.h>
+ 
+ #ifndef CRONTABS
+-#define CRONTABS        "/var/spool/cron/crontabs"
++#define CRONTABS        "/etc/crontabs"
+ #endif
+ #ifndef TMPDIR
+ #define TMPDIR          "/var/spool/cron"