Description: Address FTBFS with GCC-15
Author: tony mancill <tmancill@debian.org>
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1097158

--- a/exec.c
+++ b/exec.c
@@ -7,9 +7,9 @@
 #include <errno.h>
 #endif
 
-void undefine();
-void fixupline();
-void doinput();
+void undefine(int);
+void fixupline(int);
+void doinput(int);
 
 /* CAUTION: these make exec not quite recursive */
 int  high,low;		/* low && high end of command range */