print/cups: Fix checkboxes in the web interface

Add a patch so checkboxes aren't always off when submitting forms.

PR:		279883

print/cups/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	cups
 DISTVERSION=	2.4.10
+PORTREVISION=	1
 CATEGORIES=	print
 MASTER_SITES=	https://github.com/OpenPrinting/${PORTNAME}/releases/download/v${DISTVERSION}/
 DISTNAME=	${PORTNAME}-${DISTVERSION}-source

print/cups/files/patch-cgi-bin_var.c

@@ -0,0 +1,11 @@
+--- cgi-bin/var.c.orig	2024-06-18 11:11:05 UTC
++++ cgi-bin/var.c
+@@ -191,7 +191,7 @@ cgiGetCheckbox(const char *name)	/* I - Name of form f
+   int		ret;			/* Return value */
+ 
+ 
+-  ret = value && !_cups_strcasecmp(value, "checkbox");
++  ret = value && !_cups_strcasecmp(value, "on");
+ 
+   if (!ret && value)
+   {