envy24control: fix file descriptor leaks in profiles

alsa-project/alsa-tools pull request #33 was opened from andreas56:

File descriptors were leaked when "Save active profile" was pressed. Add the missing calls to close.

Request URL : https://github.com/alsa-project/alsa-tools/pull/33 Patch URL : https://github.com/alsa-project/alsa-tools/pull/33.patch Repository URL: https://github.com/alsa-project/alsa-tools