pcmcia: do not try to store more than 4 version strings

... for struct pcmcia_device only provides for 4 anyway.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index c70fb3b..f5b7079 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -583,7 +583,7 @@
 
 	if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL, CISTPL_VERS_1,
 			       vers1)) {
-		for (i=0; i < vers1->ns; i++) {
+		for (i = 0; i < min_t(unsigned int, 4, vers1->ns); i++) {
 			char *tmp;
 			unsigned int length;