avoid return 1 from postinst.

Author: Jeff Bai

kernel-template-postinst

@@ -2,7 +2,7 @@
 if [ -x /usr/bin/dracut ]; then
     for i in `ls /usr/lib/modules | grep -v 'extramodules'`; do
         echo -e "\033[36m**\033[0m\tGenerating initrd (Initialization RAM Disk) for kernel version $i ..."
-        dracut -q /boot/initramfs-$i.img $i
+        dracut -q --force /boot/initramfs-$i.img $i
     done
 else
     echo -e "\033[33m**\033[0m\tCommand \"dracut\" is not installed, skipping generation.\n\tYou may not be able to boot the new kernel on the next boot."