This bug was fixed in the package libgsm0710mux - 0.9.1+git20100322-2ubuntu1
--------------- libgsm0710mux (0.9.1+git20100322-2ubuntu1) natty; urgency=low
* Transition from libvala-dev to libvala-0.10-dev. (LP: #618809) -- Barry Warsaw <email address hidden> Sat, 08 Jan 2011 18:28:36 +0100
This bug was fixed in the package libgsm0710mux - 0.9.1+git201003 22-2ubuntu1
--------------- git20100322- 2ubuntu1) natty; urgency=low
libgsm0710mux (0.9.1+
* Transition from libvala-dev to libvala-0.10-dev. (LP: #618809)
-- Barry Warsaw <email address hidden> Sat, 08 Jan 2011 18:28:36 +0100