math/gmm++: update to 5.4.4 and take maintainership

While here, change the PORTVERSION to DISTVERSION.

PR:		288106
Reported by:	Atanu Biswas <atanubiswas484@gmail.com> (new maintainer)

math/gmm++/Makefile

@@ -1,10 +1,10 @@
 PORTNAME=	gmm++
-PORTVERSION=	5.4.2
+DISTVERSION=	5.4.4
 CATEGORIES=	math
 MASTER_SITES=	http://download-mirror.savannah.gnu.org/releases/getfem/stable/
-DISTNAME=	${PORTNAME:S/+//g}-${PORTVERSION}
+DISTNAME=	${PORTNAME:S/+//g}-${DISTVERSION}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	atanubiswas484@gmail.com
 COMMENT=	Generic matrix template library
 WWW=		https://getfem.org/gmm/
 

math/gmm++/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1661540522
-SHA256 (gmm-5.4.2.tar.gz) = 5206e732643f6934109028b2f173660f2c2edcb0ee269228d694acca6e22c88a
-SIZE (gmm-5.4.2.tar.gz) = 545222
+TIMESTAMP = 1752012969
+SHA256 (gmm-5.4.4.tar.gz) = 15eb1943011b92665aab3b02ecf3cede1cf89ea15a9006f81f2ba2cd662aa02b
+SIZE (gmm-5.4.4.tar.gz) = 551327