mount_image.c: silence a -Wmaybe-uninitialized warning

Silence a false positive -Wmaybe-uninitialized warning in
do_unmount_commit() with gcc 13.1.1.

diff --git a/src/mount_image.c b/src/mount_image.c
index 38523517de5d6ab19b417c93a09457e8c32332d8..4702d60d8d806d393dcc8b825bcc76cbcb557706 100644 (file)
--- a/src/mount_image.c
+++ b/src/mount_image.c
@@ -2421,7 +2421,7 @@ do_unmount_commit(const char *dir, int unmount_flags,
                  wimlib_progress_func_t progfunc, void *progctx)
 {
        struct wimfs_unmount_info unmount_info;
-       mqd_t mq;
+       mqd_t mq = (mqd_t)-1;
        struct commit_progress_thread_args args;
        struct thread commit_progress_tid;
        int ret;