imwayland: Fix a small leak
If the parent get_preedit_string implementation returns a nonnull zero-length string, then we ignore it, which is almost fine. We have to free it, though.
Fixes #1174 (closed)
If the parent get_preedit_string implementation returns a nonnull zero-length string, then we ignore it, which is almost fine. We have to free it, though.
Fixes #1174 (closed)