fix: using filesystem must over c++17

Makefile

@@ -2,21 +2,21 @@ default:
 	@echo "Please choose a platform: linux, macos, win32"
 
 linux:
-	g++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag
+	g++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag -std=c++17
 	strip ncmdump
 
 macos-intel:
-	clang++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag
+	clang++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag -std=c++17
 	strip ncmdump
 
 macos-arm64:export CPATH=/opt/homebrew/include
 macos-arm64:export LIBRARY_PATH=/opt/homebrew/lib
 macos-arm64:
-	clang++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag
+	clang++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag -std=c++17
 	strip ncmdump
 
 win32:
-	g++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag -Ltaglib/lib -Itaglib/include -static -O -municode
+	g++ main.cpp cJSON.cpp aes.cpp ncmcrypt.cpp -o ncmdump -ltag -Ltaglib/lib -Itaglib/include -static -O -municode -std=c++17
 	strip ncmdump.exe
 
 clean:

main.cpp

@@ -99,7 +99,7 @@ int main(int argc, char **argv)
             WideCharToMultiByte(CP_UTF8, 0, argv[i], -1, multiByteStr, multiByteStrSize, NULL, NULL);
             fs::path path(multiByteStr);
             #else
-            fs::path path(arg);
+            fs::path path(argv[i]);
             #endif
             files.push_back(path);
         }