/etc/mtab link should be absolute

PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=filesystem
 pkgver=2012.2
-pkgrel=1
+pkgrel=2
 pkgdesc='Base filesystem'
 arch=('any')
 license=('GPL')
@@ -37,7 +37,7 @@ package() {
 	for f in fstab group host.conf hosts issue ld.so.conf motd nsswitch.conf passwd resolv.conf securetty shells profile; do
 		install -m644 ${srcdir}/${f} etc/
 	done
-	ln -s ../proc/self/mounts etc/mtab
+	ln -s /proc/self/mounts etc/mtab
 	for f in gshadow shadow crypttab; do
 		install -m600 ${srcdir}/${f} etc/
 	done