Fix warning about variables used uninitialized

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5378 c046a42c-6fe2-441c-8c8c-71466251a162

slirp/socket.c

@@ -116,6 +116,8 @@ soread(so)
 	len = sb->sb_datalen - sb->sb_cc;
 
 	iov[0].iov_base = sb->sb_wptr;
+        iov[1].iov_base = NULL;
+        iov[1].iov_len = 0;
 	if (sb->sb_wptr < sb->sb_rptr) {
 		iov[0].iov_len = sb->sb_rptr - sb->sb_wptr;
 		/* Should never succeed, but... */
@@ -319,6 +321,8 @@ sowrite(so)
         len = sb->sb_cc;
 
 	iov[0].iov_base = sb->sb_rptr;
+        iov[1].iov_base = NULL;
+        iov[1].iov_len = 0;
 	if (sb->sb_rptr < sb->sb_wptr) {
 		iov[0].iov_len = sb->sb_wptr - sb->sb_rptr;
 		/* Should never succeed, but... */