avoid NULL dereference on failed malloc

diff --git a/compat/mingw.h b/compat/mingw.h
index b1156b865ea8f145956f8fad1ea0dd6a4ea28c93..4c50f5b1bca1e161b7e6cf0635b57f5e8d741c13 100644 (file)
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -38,6 +38,8 @@ struct passwd {
        char *pw_dir;
 };
 
+extern char *getpass(const char *prompt);
+
 struct pollfd {
        int fd;           /* file descriptor */
        short events;     /* requested events */