[NetworkManager-openvpn] release: bump version to 1.8.8

[Beniamino Galvani <bgalvani src gnome org>]

commit 7701009a358ef6a719006843a329b47f7457903c
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Wed Oct 17 09:49:20 2018 +0200

    release: bump version to 1.8.8

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 3264af7..e378ece 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ(2.52)
 
 AC_INIT(NetworkManager-openvpn,
-        1.8.7,
+        1.8.8,
         https://gitlab.gnome.org/GNOME/NetworkManager-openvpn/issues,
         NetworkManager-openvpn)
 AM_INIT_AUTOMAKE([1.9 tar-ustar no-dist-gzip dist-xz -Wno-portability])