Staging: lustre: lustre: osc: Insert missing space before '|'

Insert missing space before '|' to improve readability.

This Error found with checkpatch.pl
Signed-off-by: Hatice ERTURK <haticeerturk27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/osc/osc_request.c

@@ -1165,8 +1165,8 @@ static int check_write_rcs(struct ptlrpc_request *req,
 static inline int can_merge_pages(struct brw_page *p1, struct brw_page *p2)
 {
 	if (p1->flag != p2->flag) {
-		unsigned mask = ~(OBD_BRW_FROM_GRANT| OBD_BRW_NOCACHE|
-				  OBD_BRW_SYNC|OBD_BRW_ASYNC|OBD_BRW_NOQUOTA);
+		unsigned mask = ~(OBD_BRW_FROM_GRANT | OBD_BRW_NOCACHE |
+				  OBD_BRW_SYNC | OBD_BRW_ASYNC|OBD_BRW_NOQUOTA);
 
 		/* warn if we try to combine flags that we don't know to be
 		 * safe to combine */