Update ctime and first atime on conn handling thr, not on thrmgr

This offloads the thrmgr by saving a time() call.
Also remove an unnecessary NULL assignment.

src/proxy.c

@@ -178,11 +178,6 @@ proxy_conn_ctx_new(evutil_socket_t fd,
 	ctx->global = global;
 	ctx->clisock = clisock;
 
-	ctx->ctime = time(NULL);
-	ctx->atime = ctx->ctime;
-
-	ctx->next = NULL;
-
 #ifdef HAVE_LOCAL_PROCINFO
 	ctx->lproc.pid = -1;
 #endif /* HAVE_LOCAL_PROCINFO */

src/pxyconn.c

@@ -1766,6 +1766,9 @@ pxy_conn_init(pxy_conn_ctx_t *ctx)
 
 	pxy_thr_attach(ctx);
 
+	ctx->ctime = time(NULL);
+	ctx->atime = ctx->ctime;
+
 	if (check_fd_usage(
 #ifdef DEBUG_PROXY
 			ctx

tests/testproxy/lp/prototcp.c

@@ -235,6 +235,9 @@ prototcp_connect(UNUSED evutil_socket_t fd, UNUSED short what, void *arg)
 
 	pxy_thr_attach(ctx);
 
+	ctx->ctime = time(NULL);
+	ctx->atime = ctx->ctime;
+
 	if (check_fd_usage(
 #ifdef DEBUG_PROXY
 			ctx

tests/testproxy/lp/proxy.c

@@ -135,11 +135,6 @@ proxy_conn_ctx_new(evutil_socket_t fd,
 	}
 
 	ctx->opts = opts;
-
-	ctx->ctime = time(NULL);
-	ctx->atime = ctx->ctime;
-
-	ctx->next = NULL;
 	return ctx;
 }