Fixed build error when rtc_use_dummy_audio_file_devices=true

webrtc/modules/audio_device/dummy/file_audio_device_factory.cc

Index: webrtc/modules/audio_device/dummy/file_audio_device_factory.cc
diff --git a/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc b/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc
index db9bad72dd3cbe1835b179322ef7c5297f3aa809..cc526ead5f3509fdd96e48c64156ff4a5da8e2fc 100644
--- a/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc
+++ b/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc
@@ -39,8 +39,8 @@ FileAudioDevice* FileAudioDeviceFactory::CreateFileAudioDevice(
 void FileAudioDeviceFactory::SetFilenamesToUse(
     const char* inputAudioFilename, const char* outputAudioFilename) {
 #ifdef WEBRTC_DUMMY_FILE_DEVICES
-  assert(strlen(inputAudioFilename) < MAX_FILENAME_LEN &&
-         strlen(outputAudioFilename) < MAX_FILENAME_LEN);
+  RTC_DCHECK(strlen(inputAudioFilename) < MAX_FILENAME_LEN &&
+             strlen(outputAudioFilename) < MAX_FILENAME_LEN);
 
   // Copy the strings since we don't know the lifetime of the input pointers.
   strncpy(_inputAudioFilename, inputAudioFilename, MAX_FILENAME_LEN);