Implement Haxe 5's Exception.stack setter (actually)

Author: SomeRanDev

std/cxx/_std/haxe/ds/IntMap.hx

@@ -80,7 +80,7 @@ class IntMap<T> implements haxe.Constraints.IMap<Int, T> {
 
 	#if haxe5
 	public function size(): Int {
-		m.size();
+		return m.size();
 	}
 	#end
 }

std/cxx/_std/haxe/ds/ObjectMap.hx

@@ -80,7 +80,7 @@ class ObjectMap<K:{}, V> implements haxe.Constraints.IMap<K, V> {
 
 	#if haxe5
 	public function size(): Int {
-		m.size();
+		return m.size();
 	}
 	#end
 }

std/cxx/_std/haxe/ds/StringMap.hx

@@ -76,7 +76,7 @@ class StringMap<T> implements haxe.Constraints.IMap<String, T> {
 
 	#if haxe5
 	public function size(): Int {
-		m.size();
+		return m.size();
 	}
 	#end
 }