user/nghttp2: bump to 1.39.1

user/nghttp2/APKBUILD

 # Contributor: Natanael Copa <ncopa@alpinelinux.org>
 # Maintainer: 
 pkgname=nghttp2
-pkgver=1.37.0
+pkgver=1.39.1
 pkgrel=0
 pkgdesc="Experimental HTTP/2 client, server and proxy"
 url="https://nghttp2.org/"
@@ -12,7 +12,6 @@ subpackages="$pkgname-dev $pkgname-doc $pkgname-libs"
 source="https://github.com/tatsuhiro-t/$pkgname/releases/download/v$pkgver/nghttp2-$pkgver.tar.xz"
 
 build() {
-	cd "$builddir"
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -30,13 +29,11 @@ build() {
 }
 
 check() {
-	cd "$builddir"
 	make check
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="67a4b9df3f7f0edad719011fa289d9aa9ef04f31ef3ccf826b861c8830ed24e0743a33b54ab66d198fec7edbf723852b38a2007b335d7f566f702f4b02297b0f  nghttp2-1.37.0.tar.xz"
+sha512sums="36558ed03c59086086abbf144ec7c54c60de3fea00a9ea594feea7186a779781cbb66a08c9b34265892dea382b42b875f551e85331cfa0086e357f9b27b919fa  nghttp2-1.39.1.tar.xz"