pad.h: Initialize m_gamepadsMap properly. This fixes crash if any game is launched before user touched any controls settings.

Author: weimzh

src/core/pad.h

@@ -52,7 +52,7 @@ class Pads {
 
   private:
     EventBus::Listener m_listener;
-    int m_gamepadsMap[16];
+    int m_gamepadsMap[16] = {0};
 
     static const int GLFW_GAMEPAD_BUTTON_LEFT_TRIGGER = GLFW_GAMEPAD_BUTTON_LAST + 1;
     static const int GLFW_GAMEPAD_BUTTON_RIGHT_TRIGGER = GLFW_GAMEPAD_BUTTON_LAST + 2;