dropbear: use new extra_command wrapper

Use new `extra_command` wrapper to fix the alignement.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

package/network/services/dropbear/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dropbear
 PKG_VERSION:=2020.80
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:= \

package/network/services/dropbear/files/dropbear.init

@@ -9,8 +9,8 @@ USE_PROCD=1
 PROG=/usr/sbin/dropbear
 NAME=dropbear
 PIDCOUNT=0
-EXTRA_COMMANDS="killclients"
-EXTRA_HELP="	killclients Kill ${NAME} processes except servers and yourself"
+
+extra_command "killclients" "Kill ${NAME} processes except servers and yourself"
 
 _dropbearkey()
 {