init: pristine aerc 0.20.0 source

lib/keepalive_dummy.go

@@ -0,0 +1,12 @@
+//go:build !linux
+// +build !linux
+
+package lib
+
+func SetTcpKeepaliveProbes(fd, count int) error {
+	return nil
+}
+
+func SetTcpKeepaliveInterval(fd, interval int) error {
+	return nil
+}