lua-ev: bump to version 1.4

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lua-ev/lua-ev.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LUA_EV_VERSION = 458165bdfe0c6eadc788813925f11a0e6a823845
+LUA_EV_VERSION = v1.4
 LUA_EV_SITE = $(call github,brimworks,lua-ev,$(LUA_EV_VERSION))
 LUA_EV_DEPENDENCIES = luainterpreter libev
 LUA_EV_LICENSE = MIT