Added stub for GetDevicePowerState().

dlls/kernel/kernel32.spec

@@ -384,7 +384,7 @@
 @ stdcall GetDefaultCommConfigA(str ptr long) GetDefaultCommConfigA
 @ stdcall GetDefaultCommConfigW(wstr ptr long) GetDefaultCommConfigW
 @ stub GetDefaultSortkeySize
-@ stub GetDevicePowerState
+@ stdcall GetDevicePowerState(long ptr) GetDevicePowerState
 @ stdcall GetDiskFreeSpaceA(str ptr ptr ptr ptr) GetDiskFreeSpaceA
 @ stdcall GetDiskFreeSpaceW(wstr ptr ptr ptr ptr) GetDiskFreeSpaceW
 @ stdcall GetDriveTypeA(str) GetDriveTypeA

win32/newfns.c

@@ -311,3 +311,12 @@ BOOL WINAPI GetQueuedCompletionStatus(
     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
     return FALSE;
 }
+
+/******************************************************************************
+ *           GetDevicePowerState   (KERNEL32.@)
+ */
+BOOL WINAPI GetDevicePowerState(HANDLE hDevice, BOOL* pfOn)
+{
+    FIXME("(hDevice %p pfOn %p): stub\n", hDevice, pfOn);
+    return TRUE; /* no information */
+}