dinput: Avoid signed-unsigned integer comparisons.

dlls/dinput/config.c

@@ -331,7 +331,7 @@ static void assign_action(HWND dialog)
 
 static void copy_actions(LPDIACTIONFORMATW to, LPDIACTIONFORMATW from)
 {
-    int i;
+    DWORD i;
     for (i=0; i < from->dwNumActions; i++)
     {
         to->rgoAction[i].guidInstance = from->rgoAction[i].guidInstance;

dlls/dinput/joystick.c

@@ -482,7 +482,8 @@ HRESULT WINAPI JoystickWGenericImpl_BuildActionMap(LPDIRECTINPUTDEVICE8W iface,
                                                    DWORD dwFlags)
 {
     JoystickGenericImpl *This = impl_from_IDirectInputDevice8W(iface);
-    int i, j, has_actions = 0;
+    unsigned int i, j;
+    int has_actions = 0;
     DWORD object_types[] = { DIDFT_AXIS, DIDFT_BUTTON };
     DWORD type_map[] = { DIDFT_RELAXIS, DIDFT_PSHBUTTON };