mmdevapi: Unlock buffer in case of ReleaseBuffer error.

dlls/winealsa.drv/mmdevdrv.c

@@ -2097,8 +2097,9 @@ static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
         written = alsa_write_best_effort(This->pcm_handle, buffer,
                 written_frames, This);
         if(written < 0){
+            This->buf_state = NOT_LOCKED;
             LeaveCriticalSection(&This->lock);
-            WARN("write failed: %ld (%s)\n", written, snd_strerror(written));
+            ERR("write failed: %ld (%s)\n", written, snd_strerror(written));
             return E_FAIL;
         }
 

dlls/wineoss.drv/mmdevdrv.c

@@ -1731,8 +1731,9 @@ static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
                 written_frames * This->fmt->nBlockAlign);
         if(w_bytes < 0){
             if(errno != EAGAIN){
+                This->buf_state = NOT_LOCKED;
                 LeaveCriticalSection(&This->lock);
-                WARN("write failed: %d (%s)\n", errno, strerror(errno));
+                ERR("write failed: %d (%s)\n", errno, strerror(errno));
                 return E_FAIL;
             }else /* OSS buffer full */
                 w_bytes = 0;