Fix build with C23
https://bugs.gentoo.org/936565
diff '--color=auto' -ru bomns-0.99.2.old/src/launcher2/main.c bomns-0.99.2/src/launcher2/main.c
--- a/src/launcher2/main.c	2025-03-02 16:28:35.646507541 +0400
+++ b/src/launcher2/main.c	2025-03-02 16:29:13.890873033 +0400
@@ -27,6 +27,7 @@
 #include <gtk/gtk.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <ctype.h>
 
 #include "main.h"
 #include "interface.h"
diff '--color=auto' -ru bomns-0.99.2.old/src/launcher2/main.h bomns-0.99.2/src/launcher2/main.h
--- a/src/launcher2/main.h	2025-03-02 16:28:35.646507541 +0400
+++ b/src/launcher2/main.h	2025-03-02 16:29:54.746212077 +0400
@@ -26,7 +26,7 @@
 void set_defaults();
 void write_bomns_rc();
 void load_bomns_rc();
-void parse_bomns_rc();
+void parse_bomns_rc(const char * cszBuf);
 
 
 #endif
Only in bomns-0.99.2/src/launcher2: main.o