util-lua: add (wrapper) function to push integer to lua scripts

src/util-lua.c

@@ -271,4 +271,10 @@ int LuaPushStringBuffer(lua_State *luastate, const uint8_t *input, size_t input_
     return 1;
 }
 
+int LuaPushInteger(lua_State *luastate, lua_Integer n)
+{
+    lua_pushinteger(luastate, n);
+    return 1;
+}
+
 #endif /* HAVE_LUA */

src/util-lua.h

@@ -80,6 +80,8 @@ void LuaPrintStack(lua_State *state);
 
 int LuaPushStringBuffer(lua_State *luastate, const uint8_t *input, size_t input_len);
 
+int LuaPushInteger(lua_State *luastate, lua_Integer n);
+
 #endif /* HAVE_LUA */
 
 #endif /* __UTIL_LUA_H__ */