Switched back to Trusty as a temp for for Travis. Goodbye, Travis!

.travis.yml

@@ -8,7 +8,7 @@
 #
 #		Project file for the Travis CI remote builder service.
 #
-# Version:	@(#).travis.yml	1.0.11	2018/05/09
+# Version:	@(#).travis.yml	1.0.12	2018/05/14
 #
 # Authors:	Natalia Portillo, <claunia@claunia.com>
 #		Fred N. van Kempen, <decwiz@yahoo.com>
@@ -47,7 +47,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 sudo: required
-dist: xenial
+dist: trusty
 
 language: c
 
@@ -63,11 +63,11 @@ env:
 before_install:
   # Kill off the (most likely running) APT daily update.
 # - sudo systemctl stop apt-daily.service
-  - sudo systemctl kill --kill-who=all apt-daily.service
-  - sleep 10
-  - sudo rm -f /var/lib/dpkg/lock
+# - sudo systemctl kill --kill-who=all apt-daily.service
+# - sleep 10
+# - sudo rm -f /var/lib/dpkg/lock
   # Now install some packages we need.
-  - sudo apt-get install libz-mingw-w64-dev
+# - sudo apt-get install libz-mingw-w64-dev
 # - sudo apt-get install libpng-mingw-w64-dev
 
 script: