net-im/snac: Update 2.57 → 2.68

There are a large number of improvements and crash fixes between these
versions as documented at Release Notes:
https://codeberg.org/grunfink/snac2/src/tag/2.68/RELEASE_NOTES.md

PR:		284110
Approved by:	Matthew Phillips <matthew@matthewphillips.info> (maintainer)
MFH:		2025Q1

net-im/snac/Makefile

@@ -1,5 +1,5 @@
 PORTNAME=	snac
-DISTVERSION=	2.57
+DISTVERSION=	2.68
 CATEGORIES=	net-im www
 MASTER_SITES=	https://codeberg.org/grunfink/snac2/archive/${DISTVERSIONFULL}${EXTRACT_SUFX}?dummy=/
 

net-im/snac/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1724244538
-SHA256 (snac-2.57.tar.gz) = 16e25990391b04079caadeea6a5c24656a0df5ed5e7500516402c1cca21e831e
-SIZE (snac-2.57.tar.gz) = 180441
+TIMESTAMP = 1737093844
+SHA256 (snac-2.68.tar.gz) = 2c742fdd6a7d5ebb68ec131a340222a30464d940e445cbc0bf01a4445108e1ab
+SIZE (snac-2.68.tar.gz) = 220334

net-im/snac/files/patch-Makefile

@@ -5,7 +5,7 @@
 -PREFIX_MAN=$(PREFIX)/man
 +PREFIX:=$(PREFIX)
 +PREFIX_MAN=$(PREFIX)/share/man
- CFLAGS?=-g -Wall -Wextra
+ CFLAGS?=-g -Wall -Wextra -pedantic
  
  all: snac
 @@ -18,14 +18,14 @@ install: