ms_block: fix spelling mistake "doesn'" -> "doesn't"

There is a spelling mistake in a debug message. Fix it.

Signed-off-by: Colin Ian King <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/memstick/core/ms_block.c

···
 		}
 
 		if (be16_to_cpu(page->header.block_id) != MS_BLOCK_BOOT_ID) {
-			dbg("the pba at %d doesn' contain boot block ID", pba);
+			dbg("the pba at %d doesn't contain boot block ID", pba);
 			continue;
 		}