Make sure errorStr is a free-able string

If the `errorClass` isn't handled by the switch, `errorStr`'s initial
value would be a pointer to some static memory with an empty string,
and freeing it would most likely crash.

Let's set it to NULL instead, as is done in other similar places.

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Acked-by: Walter Harms <wharms@bfs.de>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

0 files changed, 0 insertions, 0 deletions