patch 9.0.1336: functions without arguments are not always declared properly
Problem: Functions without arguments are not always declared properly.
Solution: Use "(void)" instead of "()". (Yegappan Lakshmanan, closes #12031)
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index be0e346..2c65bd8 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -1386,7 +1386,7 @@
* Handle when "did_throw" is set after executing commands.
*/
void
-handle_did_throw()
+handle_did_throw(void)
{
char *p = NULL;
msglist_T *messages = NULL;