staging:lustre:lnet: lib-md.c erase C99 // comments

After changing the comments format, the other error disappears.
So silences two checkpatch errors:
  ERROR: do not use C99 // comments
  ERROR: trailing statements should be on next line
Signed-off-by: Janet Liu <jianhua.ljh@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lnet/lnet/lib-md.c

@@ -125,7 +125,7 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
 
 		if ((umd->options & LNET_MD_MAX_SIZE) != 0 && /* max size used */
 		    (umd->max_size < 0 ||
-		     umd->max_size > total_length)) // illegal max_size
+		     umd->max_size > total_length)) /* illegal max_size */
 			return -EINVAL;
 
 	} else if ((umd->options & LNET_MD_KIOV) != 0) {
@@ -146,7 +146,7 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
 
 		if ((umd->options & LNET_MD_MAX_SIZE) != 0 && /* max size used */
 		    (umd->max_size < 0 ||
-		     umd->max_size > total_length)) // illegal max_size
+		     umd->max_size > total_length)) /* illegal max_size */
 			return -EINVAL;
 	} else {   /* contiguous */
 		lmd->md_length = umd->length;
@@ -156,7 +156,7 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
 
 		if ((umd->options & LNET_MD_MAX_SIZE) != 0 && /* max size used */
 		    (umd->max_size < 0 ||
-		     umd->max_size > (int)umd->length)) // illegal max_size
+		     umd->max_size > (int)umd->length)) /* illegal max_size */
 			return -EINVAL;
 	}