CLEANUP: connection: fix double negation on memcmp()

Nothing harmful in here, just clarify that it applies to the whole
expression.
diff --git a/src/connection.c b/src/connection.c
index 6eab5e1..b8be0a1 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -385,7 +385,7 @@
 	if (trash.len < 9) /* shortest possible line */
 		goto missing;
 
-	if (!memcmp(line, "TCP4 ", 5) != 0) {
+	if (memcmp(line, "TCP4 ", 5) == 0) {
 		u32 src3, dst3, sport, dport;
 
 		line += 5;
@@ -426,7 +426,7 @@
 		((struct sockaddr_in *)&conn->addr.to)->sin_port          = htons(dport);
 		conn->flags |= CO_FL_ADDR_FROM_SET | CO_FL_ADDR_TO_SET;
 	}
-	else if (!memcmp(line, "TCP6 ", 5) != 0) {
+	else if (memcmp(line, "TCP6 ", 5) == 0) {
 		u32 sport, dport;
 		char *src_s;
 		char *dst_s, *sport_s, *dport_s;