Fix animation_image support in scroll containers

games/devtest/mods/testformspec/formspec.lua

@@ -227,6 +227,7 @@ local scroll_fs =
 	"box[1,1;8,6;#00aa]"..
 	"scroll_container[1,1;8,6;scrbar;vertical]"..
 		"button[0,1;1,1;lorem;Lorem]"..
+		"animated_image[0,1;4.5,1;clip_animated_image;testformspec_animation.png;4;100]" ..
 		"button[0,10;1,1;ipsum;Ipsum]"..
 		"pwdfield[2,2;1,1;lorem2;Lorem]"..
 		"list[current_player;main;4,4;1,5;]"..

src/gui/guiFormSpecMenu.cpp

@@ -928,7 +928,7 @@ void GUIFormSpecMenu::parseAnimatedImage(parserData *data, const std::string &el
 
 	core::rect<s32> rect = core::rect<s32>(pos, pos + geom);
 
-	GUIAnimatedImage *e = new GUIAnimatedImage(Environment, this, spec.fid,
+	GUIAnimatedImage *e = new GUIAnimatedImage(Environment, data->current_parent, spec.fid,
 		rect, texture_name, frame_count, frame_duration, m_tsrc);
 
 	if (parts.size() >= 7)