system/nxlooper: fix warning
nxlooper.c:615:7: warning: 'playbufs' may be used uninitialized in this function [-Wmaybe-uninitialized]
@@ -326,8 +326,8 @@ static void *nxlooper_loopthread(pthread_addr_t pvarg)
struct audio_buf_desc_s buf_desc;
struct ap_buffer_info_s recordbuf_info;
struct ap_buffer_info_s playbuf_info;
- FAR struct ap_buffer_s **playbufs;
- FAR struct ap_buffer_s **recordbufs;
+ FAR struct ap_buffer_s **playbufs = NULL;
+ FAR struct ap_buffer_s **recordbufs = NULL;
unsigned int prio;
ssize_t size;
bool running = true;
