Switch love.timer.sleep to seconds

src/modules/timer/sdl/Timer.cpp

@@ -79,10 +79,10 @@ namespace sdl
 		}
 	}
 
-	void Timer::sleep(int ms)
+	void Timer::sleep(float seconds)
 	{
-		if(ms > 0)
-			delay(ms);
+		if(seconds > 0)
+			delay((int) (seconds*1000));
 	}
 
 	float Timer::getDelta() const

src/modules/timer/sdl/Timer.h

@@ -88,9 +88,9 @@ namespace sdl
 		/**
 		* Tries to sleep for the specified amount of time. The precision is
 		* usually 1ms.
-		* @param ms The number of milliseconds to sleep for.
+		* @param seconds The number of seconds to sleep for.
 		**/
-		void sleep(int ms);
+		void sleep(float seconds);
 
 		/**
 		* Gets the time between the last two frames, assuming step is called

src/modules/timer/sdl/wrap_Timer.cpp

@@ -49,8 +49,7 @@ namespace sdl
 
 	int w_sleep(lua_State * L)
 	{
-		int ms = luaL_checkint(L, 1);
-		instance->sleep(ms);
+		instance->sleep((float) luaL_checknumber(L, 1));
 		return 0;
 	}