Fix a typo. Timezone is a bit longer on 64bit and it triggers
a FORTIFY_SOURCE abort.

Lubomir Rintel <lkundrak@v3.sk>

diff -up tcpick-0.2.1/src/time.c.timezone tcpick-0.2.1/src/time.c
--- tcpick-0.2.1/src/time.c.timezone	2009-03-29 17:21:06.512148187 +0200
+++ tcpick-0.2.1/src/time.c	2009-03-29 17:21:34.145151786 +0200
@@ -42,7 +42,7 @@ char * time_ascii(char * ret)
   tzp = (struct timezone * ) S_malloc( sizeof(struct timezone) );
 
   memset(tp,  0, sizeof(struct timeval));
-  memset(tzp, 0, sizeof(struct timeval));
+  memset(tzp, 0, sizeof(struct timezone));
   
   if(gettimeofday(tp, tzp)) {