make cards_found static and add missing initialization

diff --git a/src/drivers/net/pcnet32.c b/src/drivers/net/pcnet32.c
index 0328cf2c3f032be145f1e68a99b2a82a01b45b12..63353e3fed7c5eb7eb411c6e2f9c252acb0aac6a 100644 (file)
--- a/src/drivers/net/pcnet32.c
+++ b/src/drivers/net/pcnet32.c
@@ -67,7 +67,7 @@ static struct nic_operations pcnet32_operations;
 
 /* End Etherboot Specific */
 
-int cards_found /* __initdata */ ;
+static int cards_found = 0 /* __initdata */ ;
 
 #ifdef REMOVE
 /* FIXME: Remove these they are probably pointless */