python: explicitly declare WaitForThreadShutdown as void

diff --git a/sys/src/cmd/python/Modules/main.c b/sys/src/cmd/python/Modules/main.c
index 83d567fede1c035dfa79df798b5a1ce2f1529e35..80c0c04c3102cfe2f521a3a03503254966c25833 100644 (file)
--- a/sys/src/cmd/python/Modules/main.c
+++ b/sys/src/cmd/python/Modules/main.c
@@ -182,7 +182,7 @@ static int RunModule(char *module)
    "threading" threads have completed. */
 #include "abstract.h"
 static void
-WaitForThreadShutdown()
+WaitForThreadShutdown(void)
 {
 #ifdef WITH_THREAD
        PyObject *result;