ggml : fix cross-compile Linux -> Window with mingw (#168)

README.md

@@ -20,7 +20,7 @@ Supported platforms:
 - [x] [iOS](examples/whisper.objc)
 - [x] Linux
 - [x] [WebAssembly](examples/whisper.wasm)
-- [x] Windows ([MSVC](https://github.com/ggerganov/whisper.cpp/blob/master/.github/workflows/build.yml#L117-L144) and [MinGW](https://github.com/ggerganov/whisper.cpp/issues/5)]
+- [x] Windows ([MSVC](https://github.com/ggerganov/whisper.cpp/blob/master/.github/workflows/build.yml#L117-L144) and [MinGW](https://github.com/ggerganov/whisper.cpp/issues/168)]
 - [x] [Raspberry Pi](https://github.com/ggerganov/whisper.cpp/discussions/166)
 - [x] [Android](https://github.com/ggerganov/whisper.cpp/issues/30)
 

ggml.c

@@ -15,7 +15,14 @@
 #include <stdio.h>
 
 #if defined _MSC_VER || defined(__MINGW32__)
+
+#ifndef(__MINGW32__)
 #include <Windows.h>
+#else
+// ref: https://github.com/ggerganov/whisper.cpp/issues/168
+#include <windows.h>
+#include <errno.h>
+#endif
 
 typedef volatile LONG atomic_int;
 typedef atomic_int atomic_bool;