json-glib: update meson syntax

json-glib/.signature

@@ -1,5 +1,5 @@
 untrusted comment: verify with /etc/ports/opt.pub
-RWSE3ohX2g5d/ZZqE4rrvGRCrZZpUErZkA2YXEG60CFCgRPL9KVFkTlxZMMDm/eqZInbatl1DY2RTYeF9GF509HRvVIMyOTCTQc=
-SHA256 (Pkgfile) = 342041573bff5fc1f7492ab32620b9cf9702cede20f4e4b878bede8a73817d1e
+RWSE3ohX2g5d/bNfdS5rJBY340KIY5PArrhR1j1T7Pk9tpQFheo7G/X/57cyI/3yMrem7Zt8Q0KBEYXiuuJztWKi/ocnr65p9AQ=
+SHA256 (Pkgfile) = cee27e5898156e89042126195940aa6307f93b67112f7bf42a2697c61519f105
 SHA256 (.footprint) = 2e360bf5f866ba05370096a827e1b610de5f219bb2e85d466a2a5f7f7c6d1206
 SHA256 (json-glib-1.6.0.tar.xz) = 0d7c67602c4161ea7070fab6c5823afd9bd7f7bc955f652a50d3753b08494e73

json-glib/Pkgfile

@@ -13,10 +13,12 @@ build() {
 
 	sed "/^subdir('po')/d" -i meson.build
 
-	meson build \
-		--prefix /usr \
-		-Dgtk_doc=disabled \
-		-Dtests=false
+	meson setup build . \
+		--prefix=/usr \
+		--buildtype=plain \
+		-D gtk_doc=disabled \
+		-D tests=false
 
-	DESTDIR=$PKG ninja -C build -j ${JOBS:-1} install
+	meson compile -C build -j ${JOBS:-1}
+	DESTDIR=$PKG meson install -C build
 }