staging/lustre: fix coccinelle warnings

drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c:217:2-3: Unneeded semicolon

Removes unneeded semicolon.

Generated by: coccinelle/misc/semicolon.cocci

CC: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c

@@ -207,7 +207,7 @@ static void enc_pools_release_free_pages(long npages)
 			p_idx++;
 			g_idx = 0;
 		}
-	};
+	}
 
 	/* free unused pools */
 	while (p_idx_max1 < p_idx_max2) {