Replaced internal calls to luaL_register (deprecated in Lua 5.2) with an alternative

src/modules/graphics/opengl/Canvas.cpp

@@ -744,6 +744,8 @@ Image::Wrap Canvas::getWrap() const
 
 bool Canvas::loadVolatile()
 {
+	fbo = depth_stencil = img = 0;
+
 	// glTexImage2D is guaranteed to error in this case.
 	if (width > gl.getMaxTextureSize() || height > gl.getMaxTextureSize())
 	{
@@ -764,6 +766,7 @@ bool Canvas::loadVolatile()
 void Canvas::unloadVolatile()
 {
 	strategy->deleteFBO(fbo, depth_stencil, img);
+	fbo = depth_stencil = img = 0;
 
 	for (size_t i = 0; i < attachedCanvases.size(); i++)
 		attachedCanvases[i]->release();

src/modules/graphics/opengl/wrap_Geometry.cpp

@@ -155,14 +155,14 @@ int w_Geometry_getVertexMap(lua_State *L)
 {
 	Geometry *g = luax_checkgeometry(L, 1);
 
-	size_t elementcount = g->getElementCount();
+	size_t elemcount = g->getElementCount();
 	const uint16 *elements = g->getElementArray();
 
-	if (elementcount == 0 || elements == 0)
+	if (elemcount == 0 || elements == 0)
 		return 0;
 
-	lua_createtable(L, elementcount, 0);
-	for (size_t i = 0; i < elementcount; i++)
+	lua_createtable(L, elemcount, 0);
+	for (size_t i = 0; i < elemcount; i++)
 	{
 		lua_pushinteger(L, elements[i]);
 		lua_rawseti(L, -2, i + 1);

src/modules/love/love.cpp

@@ -130,7 +130,7 @@ static const luaL_Reg modules[] = {
 };
 
 #ifdef LOVE_LEGENDARY_CONSOLE_IO_HACK
-int w__openConsole(lua_State * L);
+int w__openConsole(lua_State *L);
 #endif // LOVE_LEGENDARY_CONSOLE_IO_HACK
 
 const char *love_version()
@@ -201,7 +201,7 @@ int luaopen_love(lua_State * L)
 
 #ifdef LOVE_LEGENDARY_CONSOLE_IO_HACK
 
-int w__openConsole(lua_State * L)
+int w__openConsole(lua_State *L)
 {
 	static bool is_open = false;
 	if (is_open)