mjpg-streamer: fix option enabled check in init.d

[ "$enabled" ] returns true whatever non-empty value enabled has,
including 0.

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
(cherry picked from commit 20ea1d9812)

multimedia/mjpg-streamer/Makefile

@@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mjpg-streamer
 PKG_VERSION:=1.0.0
-PKG_RELEASE:=5
+PKG_RELEASE:=6
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/jacksonliam/mjpg-streamer/tar.gz/v$(PKG_VERSION)?

multimedia/mjpg-streamer/files/mjpg-streamer.init

@@ -16,7 +16,7 @@ start_instance() {
 
 	local enabled
 	config_get_bool enabled "$1" 'enabled' 0
-	[ "$enabled" ] || return
+	[ "$enabled" -gt 0 ] || return
 
 	local input
 	config_get input "$s" 'input'