Apparently doxygen needs its comments formatted in a specific way to
notice that the group is closed.
Without this fix, with doxygen 1.8.16-2 we see:
```
doxygen ./doc/doxygen.cfg
…/notmuch/lib/notmuch.h:2322: warning: end of file while inside a group
```
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
*/
notmuch_bool_t
notmuch_built_with (const char *name);
*/
notmuch_bool_t
notmuch_built_with (const char *name);
#pragma GCC visibility pop
#pragma GCC visibility pop