winmm: Use a separate last_check for joyGetDevCapsW and joyGetPosEx.

dlls/winmm/joystick.c

@@ -136,7 +136,6 @@ struct joystick
 static DIDEVICEINSTANCEW instances[16];
 static struct joystick joysticks[16];
 static IDirectInput8W *dinput;
-static ULONG last_check;
 
 static BOOL CALLBACK enum_instances( const DIDEVICEINSTANCEW *instance, void *context )
 {
@@ -313,6 +312,7 @@ UINT WINAPI DECLSPEC_HOTPATCH joyGetNumDevs(void)
  */
 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsW( UINT_PTR id, JOYCAPSW *caps, UINT size )
 {
+    static ULONG last_check;
     DIDEVICEOBJECTINSTANCEW instance = {.dwSize = sizeof(DIDEVICEOBJECTINSTANCEW)};
     DIDEVCAPS dicaps = {.dwSize = sizeof(DIDEVCAPS)};
     DIPROPDWORD diprop =
@@ -464,6 +464,7 @@ MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsA( UINT_PTR id, JOYCAPSA *caps, U
  */
 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetPosEx( UINT id, JOYINFOEX *info )
 {
+    static ULONG last_check;
     DWORD i, ticks = GetTickCount();
     MMRESULT res = JOYERR_NOERROR;
     IDirectInputDevice8W *device;