slirp: Clean up updtime

Drop redundant typecasts in both variants and remove the pointless
round-up in the UNIX version.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/main.h b/main.h
index 087b978..1371e81 100644
--- a/main.h
+++ b/main.h
@@ -11,7 +11,6 @@
 
 #define TOWRITEMAX 512
 
-extern struct timeval tt;
 extern int link_up;
 extern int slirp_socket;
 extern int slirp_socket_unit;