Merge remote-tracking branch 'origin/pr/60'

* origin/pr/60:
  Fix kernel install script clobbering kernel params ending in default=

Fixes QubesOS/qubes-issues#5716

Author: marmarek

system-config/kernel-xen-efi.install

@@ -73,7 +73,7 @@ case "$COMMAND" in
               }' $EFI_DIR/xen.cfg >> $EFI_DIR/xen.cfg
 
             # then change the default
-            sed -e "s/default=.*/default=$KVER/" -i $EFI_DIR/xen.cfg
+            sed -e "s/^default=.*/default=$KVER/" -i $EFI_DIR/xen.cfg
         fi
 
         cp "/boot/vmlinuz-$KVER" "$EFI_DIR/"