patch dmraid because of #996954, #962300, #990188

patches/dmraid

+#!/bin/sh
+set -e
+# see Debian bugs #996954, #962300, #990188
+patch -p1 << 'EOF'
+diff -Nru dmraid-1.0.0.rc16/debian/dmraid.postinst dmraid-1.0.0.rc16/debian/dmraid.postinst
+--- dmraid-1.0.0.rc16/debian/dmraid.postinst	2017-08-30 23:28:37.000000000 +0200
++++ dmraid-1.0.0.rc16/debian/dmraid.postinst	2021-12-26 15:45:13.000000000 +0100
+@@ -9,7 +9,7 @@
+ 	    update-initramfs -u
+     fi
+     # Activate existing arrays now.
+-    udevadm trigger --subsystem-match=block --action=change
++    udevadm trigger --subsystem-match=block --action=change || true
+ 
+     if [ -f /etc/init.d/dmraid ]; then
+   	update-rc.d -f dmraid remove
+EOF