graphics/poppler: update to 21.08.0

Release 21.08.0:
        core:
         * Add API to allow addition and modification of outlines into a PDF
         * Use additional samples to test for constant parts of an axial gradient
         * forms: Create fallback fonts for some well known font names
         * Support reading the PDF Version from the Catalog
         * Fix XRef::copy when there are modified objects
         * Take into account that Date string may be in unicode
         * JBIG2Stream: Fix regression in "Do not consider a size-0 to be an error"
         * Replace a local bubble sort implementation by std::sort
         * Fix issues with malformed files

        build system:
         * Better error message when libjpeg is not found
         * Better error messages when libopenjpeg2 is not found

        qt5/qt6:
         * Document that a document has to outlive its pages
         * Make getPdfVersion return a dedicated version object

        glib:
         * mimick TextSelectionDumper logic change for spaceAfter

Exp-run by:	antoine
PR:		257539

1 files changed, 1 insertions, 1 deletions

diff --git a/math/labplot/Makefile b/math/labplot/Makefile
index 309f9d8c3b7f..28ab9a788993 100644
--- a/math/labplot/Makefile
+++ b/math/labplot/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=	labplot
 DISTVERSION=	2.8.2
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	math kde
 MASTER_SITES=	KDE/stable/${PORTNAME}/${PORTVERSION}