Staging: vt6655: remove IN definition

Remove empty IN definition used to specify input parameters.

Signed-off-by: Charles Clément <caratorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/vt6655/ioctl.h b/drivers/staging/vt6655/ioctl.h
index dc278ae..0d10c2a 100644
--- a/drivers/staging/vt6655/ioctl.h
+++ b/drivers/staging/vt6655/ioctl.h
@@ -44,10 +44,10 @@
 
 /*
 void vConfigWEPKey (
-    IN PSDevice pDevice,
-    IN DWORD    dwKeyIndex,
-    IN PBYTE    pbyKey,
-    IN ULONG    uKeyLength
+    PSDevice pDevice,
+    DWORD    dwKeyIndex,
+    PBYTE    pbyKey,
+    ULONG    uKeyLength
     );
 */