second: Fix typo'd operator

Note that this does change the behavior of the code. After the patch
only < 2.6 PROMs will fail (which is probably correct), instead of every
2.* like now.

Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/second/disk.c b/second/disk.c
index 40234b3..b81a465 100644
--- a/second/disk.c
+++ b/second/disk.c
@@ -293,7 +293,7 @@
 	if (!net) {
 	    if (prom_vers != PROM_P1275) {
 		    if (((romvec->pv_printrev >> 16) < 2 || 
-		         ((romvec->pv_printrev >> 16) == 2 && (romvec->pv_printrev && 0xffff) < 6)) 
+		         ((romvec->pv_printrev >> 16) == 2 && (romvec->pv_printrev & 0xffff) < 6))
 		        && offset >= 0x40000000) {
 		    	printf ("Buggy old PROMs don't allow reading past 1GB from start of the disk. Send complaints to SMCC\n");
 	    		return -1;