Merge pull request #122 from cyanray/dev/cyanray

初始化 MiraiVoice, VoiceMessage 的 Length 字段.

Author: cyanray

include/mirai/defs/qq_types.hpp

@@ -137,7 +137,7 @@ namespace Cyan
 		/**
 		 * @brief 语音长度
 		*/
-		size_t Length;
+		size_t Length = 0;
 	};
 
 	/**

include/mirai/messages/VoiceMessage.hpp

@@ -11,8 +11,8 @@ namespace Cyan
 	{
 	public:
 		VoiceMessage() {}
-		VoiceMessage(const MiraiVoice& m) : voiceId_(m.Id), url_(m.Url), path_(m.Path) {}
-		VoiceMessage(const VoiceMessage& m) : voiceId_(m.voiceId_), url_(m.voiceId_), path_(m.path_) {}
+		VoiceMessage(const MiraiVoice& m) : voiceId_(m.Id), url_(m.Url), path_(m.Path), length_(0) {}
+		VoiceMessage(const VoiceMessage& m) : voiceId_(m.voiceId_), url_(m.voiceId_), path_(m.path_), length_(m.length_) {}
 		VoiceMessage(VoiceMessage&& m) noexcept
 		{
 			std::swap(this->voiceId_, m.voiceId_);