fixed flash version for allowFullScreen (close #2471)

std/flash/display/Stage.hx

@@ -2,7 +2,7 @@ package flash.display;
 
 extern class Stage extends DisplayObjectContainer {
 	var align : StageAlign;
-	@:require(flash11) var allowsFullScreen(default,null) : Bool;
+	@:require(flash10_2) var allowsFullScreen(default,null) : Bool;
 	@:require(flash11_3) var allowsFullScreenInteractive(default,null) : Bool;
 	@:require(flash10_2) var color : UInt;
 	@:require(flash10) var colorCorrection : ColorCorrection;