add changeable config path

mercuryio/mercuryio.c

@@ -7,6 +7,7 @@
 #include "mercuryio/mercuryio.h"
 #include "mercuryio/config.h"
 #include "mercuryhook/elisabeth.h"
+#include "util/env.h"
 
 static unsigned int __stdcall mercury_io_touch_thread_proc(void *ctx);
 
@@ -23,7 +24,7 @@ uint16_t mercury_io_get_api_version(void)
 
 HRESULT mercury_io_init(void)
 {
-    mercury_io_config_load(&mercury_io_cfg, L".\\segatools.ini");
+    mercury_io_config_load(&mercury_io_cfg, get_config_path());
 
     return S_OK;
 }