system/nspr: bump to 4.20

system/nspr/APKBUILD

 # Maintainer: A. Wilcox <awilfox@adelielinux.org>
 pkgname=nspr
-pkgver=4.19
+pkgver=4.20
 pkgrel=0
 pkgdesc="Netscape Portable Runtime"
 url="https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSPR"
 arch="all"
 options="!check"  # No test suite.
 license="MPL-1.1 AND GPL-2.0-only AND LGPL-2.1-only"
-depends=
+depends=""
 # -dev package does not ship any symlinks so dependency cannot be autodetected
 depends_dev="nspr"
 makedepends="autoconf automake"
@@ -60,5 +60,5 @@ package() {
 		"$pkgdir"/usr/include/nspr/md
 }
 
-sha512sums="45a48111d0f89db0649a5e1356719868ff81881f9cf48c22c1d13b0831978b103f19e9840d6a5359fcdc90d763c0a60f0a29f7840d756a5efbd53ce1afd36844  nspr-4.19.tar.gz
+sha512sums="22fdf7627f450b0594ebccaee170098e1a8cd0f429fd44816f1322756002ced3d69cf686c3f69f7cb30b8132d3605a9fce5457ab99d0002e6af11a3408a5c949  nspr-4.20.tar.gz
 ee654f609a90b9a95c1901ad1d56cdef7cce8bca9efc092198607944f142f8fec924b13219ca6663facd0f0d59b671b8b3de58ab3449c4c863d42e2937f02184  fix-getproto.patch"