[PATCH v2] hidclass.sys: Unload all devices before unloading a minidriver

[Aric Stewart]

v2: recomendations from Zhiyi Zhang

Signed-off-by: Aric Stewart 
---
 dlls/hidclass.sys/hid.h  |  8 ++++++++
 dlls/hidclass.sys/main.c |  8 ++++++++
 dlls/hidclass.sys/pnp.c  | 35 +++++++++++++++++++++++++++++++----
 3 files changed, 47 insertions(+), 4 deletions(-)