travis: do not ignore failure of all but last linted template

common/travis/xlint.sh

@@ -4,7 +4,9 @@
 
 [ "$XLINT" ] || exit 0 
 
-awk '{ print "srcpkgs/" $0 "/template" }' /tmp/templates | while read -r t; do
+EXITCODE=0
+for t in $(awk '{ print "srcpkgs/" $0 "/template" }' /tmp/templates); do
 	/bin/echo -e "\x1b[32mLinting $t...\x1b[0m"
-	xlint "$t"
+	xlint "$t" || EXITCODE=$?
 done
+exit $EXITCODE