Win32: fix environment memory leaks

diff --git a/compat/mingw.h b/compat/mingw.h
index ca80be1bbea5301f38a893179202073dc16e4aac..828d97760c7dd3e9394710d0da55cb4bdac0ac0c 100644 (file)
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -209,6 +209,7 @@ char *mingw_getenv(const char *name);
 #define getenv mingw_getenv
 int mingw_putenv(const char *namevalue);
 #define putenv mingw_putenv
+#define unsetenv mingw_putenv
 
 int mingw_gethostname(char *host, int namelen);
 #define gethostname mingw_gethostname