package/libosip2: bump to version 5.2.0
Update indentation in hash file (two spaces)
https://git.savannah.nongnu.org/cgit/osip.git/tree/ChangeLog?h=5.2.0
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Acked-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>