[Toybox] [PATCH] Fix build.

[enh]

Fix build.

An unfinished change was partially checked in.

diff --git a/lib/lib.h b/lib/lib.h
index 5bfba22..5f5a129 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -176,7 +176,7 @@ void delete_tempfile(int fdin, int fdout, char **tempname);
 void replace_tempfile(int fdin, int fdout, char **tempname);
 void crc_init(unsigned int *crc_table, int little_endian);
 void base64_init(char *p);
-int yesno(int def);
+int yesno(char *prompt, int def);
 int qstrcmp(const void *a, const void *b);
 int xpoll(struct pollfd *fds, int nfds, int timeout);