Remember to close sockets on error

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/server.c b/server.c
index ba9558c..c1a2824 100644
--- a/server.c
+++ b/server.c
@@ -654,11 +654,13 @@
 	opt = 1;
 	if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) {
 		log_err("fio: setsockopt: %s\n", strerror(errno));
+		close(sk);
 		return -1;
 	}
 #ifdef SO_REUSEPORT
 	if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) {
 		log_err("fio: setsockopt: %s\n", strerror(errno));
+		close(sk);
 		return -1;
 	}
 #endif
@@ -668,6 +670,7 @@
 
 	if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) {
 		log_err("fio: bind: %s\n", strerror(errno));
+		close(sk);
 		return -1;
 	}
 
@@ -698,6 +701,7 @@
 
 	if (bind(sk, (struct sockaddr *) &addr, len) < 0) {
 		log_err("fio: bind: %s\n", strerror(errno));
+		close(sk);
 		return -1;
 	}