[lang] Fixes PUBLISH_DIR for api-quick-start

Since api-quick-start publish location (api-guide/quick-start) is
different from standard scheme, we need to explicit PUBLISH_DIR
for translated api-quick-start documents.

Change-Id: I36d54d618a7ae0f32f5b8d86488b540f1be997c6

bin/doc-tools-check-languages

@@ -109,7 +109,13 @@ function build_rst {
             -d ${DOCTREES} \
             ${DOC_DIR}${book}/source/ \
             ${BUILD_DIR}
-        PUBLISH_DIR=publish-docs/${language}/${book}/
+        # "api-quick-start" has a special location
+        # following https://developer.openstack.org/api-guide/quick-start/
+        if [ ${book} = "api-quick-start" ] ; then
+            PUBLISH_DIR=publish-docs/${language}/api-guide/quick-start/
+        else
+            PUBLISH_DIR=publish-docs/${language}/${book}/
+        fi
         mkdir -p ${PUBLISH_DIR}
         rsync -a ${DOC_DIR}${book}/build/html/ ${PUBLISH_DIR}
         echo $MARKER_TEXT > ${PUBLISH_DIR}/.root-marker