Merge pull request phaserjs#2439 from kiswa/dev

Allow debug.line to be used without error TS2346

Author: photonstorm

typescript/phaser.d.ts

@@ -5391,7 +5391,7 @@ declare module Phaser {
             inputInfo(x: number, y: number, color?: string): void;
             lineInfo(line: Phaser.Line, x: number, y: number, color?: string): void;
             key(key: Phaser.Key, x?: number, y?: number, color?: string): void;
-            line(): void;
+            line(...args: string[]): void;
             preUpdate(): void;
             pixel(x: number, y: number, color?: string, size?: number): void;
             pointer(pointer: Phaser.Pointer, hideIfUp?: boolean, downColor?: string, upColor?: string, color?: string): void;