Include assert.h in necessary place

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

fs/aio/aio_queue.c

@@ -26,6 +26,7 @@
 
 #include <sched.h>
 #include <aio.h>
+#include <assert.h>
 #include <errno.h>
 #include <debug.h>
 

fs/aio/aioc_contain.c

@@ -25,6 +25,7 @@
 #include <nuttx/config.h>
 
 #include <sched.h>
+#include <assert.h>
 #include <errno.h>
 
 #include <nuttx/sched.h>