converters/showkey: Update to 1.9

Changelog: http://www.catb.org/~esr/showkey/NEWS

PR:	278323
Reported by:	mew14930xvi <mew14930xvi _AT_ inbox.lv>
Approved by:	maintainer

converters/showkey/Makefile

@@ -1,6 +1,5 @@
 PORTNAME=	showkey
-PORTVERSION=	1.7
-PORTREVISION=	1
+DISTVERSION=	1.9
 CATEGORIES=	converters
 MASTER_SITES=	http://catb.org/~esr/showkey/
 
@@ -9,6 +8,9 @@ COMMENT=	Display cooked key sequences (keycap-to-keystrokes mappings)
 WWW=		http://catb.org/~esr/showkey/
 
 LICENSE=	MIT
+LICENSE_FILE=	${WRKSRC}/COPYING
+
+USES=		gmake
 
 MAKE_ARGS=	CC="${CC} ${CFLAGS}"
 ALL_TARGET=	showkey

converters/showkey/distinfo

@@ -1,2 +1,3 @@
-SHA256 (showkey-1.7.tar.gz) = 0383a508c29df9a80b294a805a38f38d2dee6d2687e43c5ece3c5901220fb44d
-SIZE (showkey-1.7.tar.gz) = 4811
+TIMESTAMP = 1712906828
+SHA256 (showkey-1.9.tar.gz) = 7230aed91f9a510ae5d234a32ba88402eb6c39431ad8175e78035f9d9b6a8f6e
+SIZE (showkey-1.9.tar.gz) = 4752

converters/showkey/files/patch-showkey.c

@@ -1,19 +0,0 @@
---- showkey.c.orig	2012-03-03 16:44:46 UTC
-+++ showkey.c
-@@ -11,6 +11,7 @@
- #include <string.h>
- #include <stdbool.h>
- #include <stdlib.h>
-+#include <unistd.h>
- 
- #define ALT	0x80
- #define ESC	0x1b
-@@ -80,7 +81,7 @@ static void visualize(int c, /*@out@*/ch
- }
- 
- 
--main()
-+int main()
- {
-     struct termios	cooked, raw;
-     unsigned char	c;