Staging: rt28x0: fix comments in *.h files

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/rt2860/spectrum.h b/drivers/staging/rt2860/spectrum.h
index 64154e9..b1e3ba0 100644
--- a/drivers/staging/rt2860/spectrum.h
+++ b/drivers/staging/rt2860/spectrum.h
@@ -186,4 +186,4 @@
 
 VOID RguClass_BuildBcnChList(IN PRTMP_ADAPTER pAd,
 			     OUT PUCHAR pBuf, OUT PULONG pBufLen);
-#endif // __SPECTRUM_H__ //
+#endif /* __SPECTRUM_H__ // */