fix build on debian

ChangeLog

@@ -1,3 +1,9 @@
+2016-12-09 15:51  
+
+	* [r461] ChangeLog:
+	  fix build issues - utf-8 gpg uid still not supported for most rpm
+	  based distros
+
 2016-12-09 12:12  
 
 	* [r460] ChangeLog, ax_init_standard_project.m4, bootstrap.sh,

build-in-docker.sh

@@ -216,8 +216,10 @@ if ! docker exec ${DOCKER_ID} getent passwd $(id -u) > /dev/null 2>&1; then
 fi
 case $mode in
     (deb|apt)
+        if [[ "${img}" =~ "ubuntu" ]]; then
             docker exec ${DOCKER_ID} locale-gen ${LANG}
             docker exec ${DOCKER_ID} update-locale LANG=${LANG}
+        fi
         OPTIONS='-o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confnew -y --force-yes --no-install-suggests --no-install-recommends'
         for f in 'libpam-systemd:amd64' 'policykit*' 'colord'; do
             docker exec ${DOCKER_ID} bash -c "echo 'Package: $f' >> /etc/apt/preferences"