abiword, fix reference to libpng16 (#3889)

app-office/abiword/abiword-2.4.recipe

@@ -9,7 +9,7 @@ friends, and performs format conversions on the fly."
 HOMEPAGE="https://www.abisource.com/"
 COPYRIGHT="1998-2014 the AbiSource community"
 LICENSE="GNU GPL v2"
-REVISION="3"
+REVISION="4"
 srcGitRev="217fbb622ee64efc181cd67d2742d6a60a086e2d"
 SOURCE_URI="https://github.com/HaikuArchives/AbiWord/archive/$srcGitRev.tar.gz"
 CHECKSUM_SHA256="7ec2ddca905c8ccb923315d952d04e90a4c124d50dc42dddbd1957a8ee6e915e"
@@ -22,10 +22,11 @@ PROVIDES="
 	app:AbiWord
 	"
 REQUIRES="
+	haiku
 	lib:libexpat
 	lib:libfribidi
 	lib:libiconv
-	lib:libpng
+	lib:libpng16
 	lib:libpopt
 	lib:libpsiconv
 	lib:libxml2
@@ -33,17 +34,17 @@ REQUIRES="
 	"
 
 BUILD_REQUIRES="
+	haiku_devel
 	devel:libexpat
 	devel:libfribidi
 	devel:libiconv
-	devel:libpng
+	devel:libpng16
 	devel:libpopt
 	devel:libpsiconv
 	devel:libxml2
 	devel:libz
 	"
 BUILD_PREREQUIRES="
-	haiku_devel
 	cmd:cmp
 	cmd:gcc
 	cmd:ld