staging: lustre: Remove unnecessary braces {} for single statement blocks

Remove unnecessary braces {} for single line statement blocks.
Signed-off-by: NPan Li <incarnation.p.lee@outlook.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/obdclass/cl_page.c

@@ -376,9 +376,8 @@ static struct cl_page *cl_page_find0(const struct lu_env *env,
 						       idx) == page));
 	}
 
-	if (page != NULL) {
+	if (page != NULL)
 		return page;
-	}
 
 	/* allocate and initialize cl_page */
 	page = cl_page_alloc(env, o, idx, vmpage, type);