Fixed watch file by adding option pasv

debian/watch

 version=3
-opts=pgpsigurlmangle=s/$/.asc/ \
-ftp://ftp.ddg.lth.se/mariadb/mariadb-5.5.39/source/mariadb-5.5.([\d\.]*).tar.gz \
-debian uupdate
-
-# Simplified watch file still does not work
-#$ uscan --no-download --verbose --debug
-#uscan debug: requesting URL ftp://ftp.ddg.lth.se/mariadb/
-# ftp://ftp.ddg.lth.se/mariadb/mariadb-5.5.39/source/ failed: 400 FTP return code 000
+opts=pgpsigurlmangle=s/$/.asc/,uversionmangle=s/-(rc|beta)/$1/,pasv \
+   ftp://ftp.osuosl.org/pub/mariadb/mariadb-5.5.([\d\.]*(?:-beta|-rc)?)/source/mariadb-([\d\.]*(?:-beta|-rc)?).tar.gz \
+   debian uupdate
 
 # Added string "-5.5." in path as MariaDB has release series 5.5 and 10.x in parallel,
 # and we want uscan to check for updates only in the 5-series.