let distcheck pass on debian

Author: yetist

.travis.yml

@@ -133,6 +133,11 @@ variables:
   - CFLAGS="-Wall -Werror=format-security"
 
 before_scripts:
+  - if [ ${DISTRO_NAME} == "debian" ];then
+  -     curl -Ls -o debian.sh https://github.com/mate-desktop/mate-dev-scripts/raw/master/travis/debian.sh
+  -     bash ./debian.sh
+  - fi
+
   - cd ${START_DIR}
   - if [ ! -d mate-menus-build ]; then
   -     git clone --depth 1  https://github.com/mate-desktop/mate-menus.git mate-menus-build