Fixed compilation of get_utf8_argv() for Windows UWP.

src/share/win_utf8_io/win_utf8_io.c

@@ -106,15 +106,22 @@ static wchar_t *wchar_from_utf8(const char *str)
 /* retrieve WCHAR commandline, expand wildcards and convert everything to UTF-8 */
 int get_utf8_argv(int *argc, char ***argv)
 {
+#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
 	typedef int (__cdecl *wgetmainargs_t)(int*, wchar_t***, wchar_t***, int, int*);
 	wgetmainargs_t wgetmainargs;
 	HMODULE handle;
+#endif
 	int wargc;
 	wchar_t **wargv;
 	wchar_t **wenv;
 	char **utf8argv;
 	int ret, i;
 
+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
+	wargc = __argc;
+	wargv = __wargv;
+	wenv = _wenviron;
+#else
 	if ((handle = LoadLibraryW(L"msvcrt.dll")) == NULL) return 1;
 	if ((wgetmainargs = (wgetmainargs_t)GetProcAddress(handle, "__wgetmainargs")) == NULL) {
 		FreeLibrary(handle);
@@ -126,8 +133,11 @@ int get_utf8_argv(int *argc, char ***argv)
 		FreeLibrary(handle);
 		return 1;
 	}
+#endif
 	if ((utf8argv = (char **)calloc(wargc, sizeof(char*))) == NULL) {
+	#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
 		FreeLibrary(handle);
+	#endif
 		return 1;
 	}
 
@@ -139,7 +149,9 @@ int get_utf8_argv(int *argc, char ***argv)
 		}
 	}
 
+#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
 	FreeLibrary(handle); /* do not free it when wargv or wenv are still in use */
+#endif
 
 	if (ret == 0) {
 		*argc = wargc;