input_thread: macos: Add a missing pthread_cond_init

On macOS, don't wait on a condition that is not initialized yet.
We must initialize it at first.

ref: lemmy/BlockingQueue#3

Signed-off-by: Hiroshi Hatake <[email protected]>

Author: cosmo0920

src/flb_input_thread.c

@@ -218,6 +218,9 @@ static struct flb_input_thread_instance *input_thread_instance_create(struct flb
     thi->init_status = 0;
     pthread_mutex_init(&thi->init_mutex, NULL);
 
+    /* init condition */
+    pthread_cond_init(&thi->init_condition, NULL);
+
     /* initialize lists */
     mk_list_init(&thi->input_coro_list);
     mk_list_init(&thi->input_coro_list_destroy);