[Python-checkins] gh-105240: add missing function prototypes (#105241)

[iritkatriel]

https://github.com/python/cpython/commit/a9305b5e80e414b8b9b2bd366e96b43add662d70
commit: a9305b5e80e414b8b9b2bd366e96b43add662d70
branch: main
author: Irit Katriel <1055913+iritkatriel at users.noreply.github.com>
committer: iritkatriel <1055913+iritkatriel at users.noreply.github.com>
date: 2023-06-02T15:11:20Z
summary:

gh-105240: add missing function prototypes (#105241)

files:
M Modules/readline.c

diff --git a/Modules/readline.c b/Modules/readline.c
index 2824105a1875..ff7075c6822e 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -1015,7 +1015,7 @@ static int
 #if defined(_RL_FUNCTION_TYPEDEF)
 on_startup_hook(void)
 #else
-on_startup_hook()
+on_startup_hook(void)
 #endif
 {
     int r;
@@ -1030,7 +1030,7 @@ static int
 #if defined(_RL_FUNCTION_TYPEDEF)
 on_pre_input_hook(void)
 #else
-on_pre_input_hook()
+on_pre_input_hook(void)
 #endif
 {
     int r;