Bump Standards-Version to 3.9.3

From: Michael Prokop <mprokop@sipwise.com>

lib/spandsp/debian/control

@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: Debian VoIP Team <pkg-voip-maintainers@lists.alioth.debian.org>
 Uploaders: Jose Carlos Garcia Sogo <jsogo@debian.org>, Kilian Krause <kilian@debian.org>, Santiago Garcia Mantinan <manty@debian.org>, Mark Purcell <msp@debian.org>, Tzafrir Cohen <tzafrir.cohen@xorcom.com>, Santiago Ruano Rincón <santiago@debian.org>
 Build-Depends: debhelper (>= 4.0.0), libtiff4-dev, libjpeg62-dev, dpatch, doxygen, autotools-dev, xsltproc
-Standards-Version: 3.7.2
+Standards-Version: 3.9.3
 XS-Vcs-Svn: svn://svn.debian.org/pkg-voip/
 XS-Vcs-Browser: http://svn.debian.org/wsvn/pkg-voip/