Properly free the device name

Alc/ALc.c

@@ -657,9 +657,11 @@ ALCAPI ALCboolean ALCAPIENTRY alcCaptureCloseDevice(ALCdevice *pDevice)
 
         ProcessContext(NULL);
 
-        free(pDevice->szDeviceName);
-
         ALCdevice_CloseCapture(pDevice);
+
+        free(pDevice->szDeviceName);
+        pDevice->szDeviceName = NULL;
+
         free(pDevice);
 
         bReturn = ALC_TRUE;

Alc/pulseaudio.c

@@ -355,11 +355,9 @@ static void pulse_close(ALCdevice *device) //{{{
     ppa_threaded_mainloop_stop(data->loop);
     ppa_threaded_mainloop_free(data->loop);
 
-    device->ExtraData = NULL;
-    free(device->szDeviceName);
-    device->szDeviceName = NULL;
     DestroyRingBuffer(data->ring);
 
+    device->ExtraData = NULL;
     ppa_xfree(data);
 } //}}}
 //}}}