Staging: rtl8192u: r8190_rtl8256.c - style fix

Fixed style of block comments
Found using checkpatch

Signed-off-by: Derek Robson <robsonde@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/r8190_rtl8256.c

@@ -1,12 +1,12 @@
 /*
-* This is part of the rtl8192 driver
-* released under the GPL (See file COPYING for details).
-*
-* This files contains programming code for the rtl8256
-* radio frontend.
-*
-* *Many* thanks to Realtek Corp. for their great support!
-*/
+ * This is part of the rtl8192 driver
+ * released under the GPL (See file COPYING for details).
+ *
+ * This files contains programming code for the rtl8256
+ * radio frontend.
+ *
+ * *Many* thanks to Realtek Corp. for their great support!
+ */
 
 #include "r8192U.h"
 #include "r8192U_hw.h"