fix windows build

nand_part_table_cvt.cc

@@ -299,13 +299,15 @@ int MainEntry(int argc, char** argv) {
 // The real main entry
 #if defined(_WIN32) || defined(_WIN64)
 
-extern "C" void __wgetmainargs(int*, wchar_t***, wchar_t***, int, int*);
+#include <windows.h>
 
 int main(int argc, char** argv) {
-    int argcW;
-    wchar_t** argvW;
-    wchar_t** envW;
-    __wgetmainargs(&argcW, &argvW, &envW, 0, nullptr);
+    int argcW = 0;
+    wchar_t** argvW = CommandLineToArgvW(GetCommandLineW(), &argcW);
+    if (argvW == nullptr) {
+        fmt::print("Unable to parse command line\n");
+        return 1;
+    }
     std::vector<std::string> args;
     args.reserve(argcW);
     for (int i = 0; i < argcW; i++) {
@@ -316,6 +318,9 @@ int main(int argc, char** argv) {
     for (auto& arg: args) {
         argvC.push_back(arg.data());
     }
+    LocalFree(argvW);
+    SetConsoleCP(CP_UTF8);
+    SetConsoleOutputCP(CP_UTF8);
     return MainEntry((int) argvC.size(), argvC.data());
 }