[gmime] Find out what version of gpgme is installed on Travis CI

[Jeffrey Stedfast <fejj src gnome org>]

commit 65ad7d12bd87cf33207f6bc8d0a448ef046c26fa
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Fri Mar 3 10:00:52 2017 -0500

    Find out what version of gpgme is installed on Travis CI

 .travis.yml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/.travis.yml b/.travis.yml
index 90f67c2..53efeb1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,6 @@ before_install:
   - sudo apt-get -qq update
   - sudo apt-get install -y automake gtk-doc-tools gnome-doc-utils libgpgme11 libgpgme11-dev gpgsm
 script:
-  - autoconf --version
+  - /usr/bin/gpgme-config --version
   - ./autogen.sh
   - ./configure --disable-mono && make && make check