Another gitignore update.
Another gitignore update.

Signed-off-by: Cristian Ionescu-Idbohrn <a85e7ffb030ffa571042b05c9e37957649a986b0@axis.com>

glance-/libdivecomputer,venkateshshukla/libdivecomputer,glance-/libdivecomputer,Poltsi/libdivecomputer-vms,josh-wambua/libdivecomputer,venkateshshukla/libdivecomputer,henrik242/libdivecomputer,josh-wambua/libdivecomputer,henrik242/libdivecomputer