jca 6fe1321f41 Avoid a NULL pointer dereference due to missing sndio capture backend.
Backport a fix from upstream to avoid the crash.  The code has changed
since and all backends have been converted to the "new style" backend
API.  Fix tested by David Carlier (maintainer) and Thomas Frohwein.
2017-12-31 18:46:26 +00:00
..