xbps-base-files: more fixes for the initramfs-tools trigger.

Test /proc/filesystems and /sys/kernel/vmcoreinfo to know
if /proc and /sys are mounted, as the former was required
for mountinfo. This finally works while installing a package
with and without rootdir.

Bump revision.

--HG--
extra : convert_revision : df009b5088c47931d7ae82af2c4f7dad9af5337f

triggers/initramfs-tools

@@ -32,11 +32,12 @@ run)
 		initramfs_cmd="$initramfs_cmd -u -k $4"
 	fi
 
-	if ! /lib/rc/bin/mountinfo -q /proc; then
+	if [ ! -e /proc/filesystems ]; then
 		mount -t proc proc /proc
 		proc_mounted=1
 	fi
-	if ! /lib/rc/bin/mountinfo -q /sys; then
+
+	if [ ! -e /sys/kernel/vmcoreinfo ]; then
 		mount -t sysfs sysfs /sys
 		sys_mounted=1
 	fi