graphics/qgis-ltr: Really disable usage of qtwebkit

While here, pet portlint.

Co-authored-by: alt2600@icloud.com

PR:		275495

graphics/qgis-ltr/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	qgis
 DISTVERSION=	3.28.13
+PORTREVISION=	1
 CATEGORIES=	graphics geography
 MASTER_SITES=	https://qgis.org/downloads/
 PKGNAMESUFFIX=	-ltr
@@ -130,7 +131,7 @@ CMAKE_ARGS+=	-DCMAKE_BUILD_TYPE:STRING=Release \
 CMAKE_ON=	USE_OPENCL WITH_3D WITH_ASTYLE \
 		WITH_BINDINGS WITH_COPC WITH_CUSTOM_WIDGETS WITH_EPT \
 		WITH_PDAL WITH_POSTGRESQL
-CMAKE_OFF=	ENABLE_TESTS WITH_QWTPOLAR
+CMAKE_OFF=	ENABLE_TESTS WITH_QTWEBKIT WITH_QWTPOLAR
 
 CONFLICTS_INSTALL=	qgis