Fix warnings.
Fix warnings.
nelson4722/cppformat,wangshijin/cppformat,Jopie64/cppformat,cppformat/cppformat,alabuzhev/fmt,dean0x7d/cppformat,mojoBrendan/fmt,blaquee/cppformat,cppformat/cppformat,dean0x7d/cppformat,lightslife/cppformat,seungrye/cppformat,nelson4722/cppformat,wangshijin/cppformat,seungrye/cppformat,dean0x7d/cppformat,lightslife/cppformat,lightslife/cppformat,seungrye/cppformat,Jopie64/cppformat,wangshijin/cppformat,nelson4722/cppformat,blaquee/cppformat,cppformat/cppformat,mojoBrendan/fmt,mojoBrendan/fmt,alabuzhev/fmt,blaquee/cppformat,alabuzhev/fmt,Jopie64/cppformat