Avoid redefine warning

Bushstar · Fuzzbawls · commit 189de2fdbca8 · 2021-08-08T04:13:28.000-07:00
diff --git a/src/fs.cpp b/src/fs.cpp
@@ -8,7 +8,9 @@
 #ifndef WIN32
 #include <fcntl.h>
 #else
+#ifndef NOMINMAX
 #define NOMINMAX
+#endif
 #include <codecvt>
 #include <windows.h>
 #endif
