If jsduck failed, it would make a second symlink to ../../resources/
in resources/ which made no sense.
Change-Id: Iedf10466acdbd8e70a751ae898dc453a9be62275
jsduck \
--config=$MWCORE_DIR/maintenance/jsduck/config.json \
--footer="Documentation for MediaWiki core ($JSDUCK_MWVERSION). Generated on {DATE} by {JSDUCK} {VERSION}." \
-&& echo 'JSDuck execution finished.'
-
-ln -s ../../resources $MWCORE_DIR/docs/js/modules
+&& echo 'JSDuck execution finished.' \
+&& ln -s ../../resources $MWCORE_DIR/docs/js/modules