testing/libosip2: upgrade to 5.3.0

testing/libosip2/APKBUILD

@@ -2,7 +2,7 @@
 # Contributor: David Sugar <tychosoft@gmail.com>
 pkgname=libosip2
 # Needs to be kept in sync with libexosip2
-pkgver=5.2.0
+pkgver=5.3.0
 pkgrel=0
 pkgdesc="oSIP is an implementation of SIP"
 url="https://www.gnu.org/software/osip/"
@@ -34,4 +34,6 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="cc714ab5669c466ee8f0de78cf74a8b7633f3089bf104c9c1474326840db3d791270159456f9deb877af2df346b04493e8f796b2bb7d2be134f6c08b25a29f83  libosip2-5.2.0.tar.gz"
+sha512sums="
+010830af0aca7cab48f2d28b130bf8a2443a7eb552ccfd3e6100d3262a1e2a4cca4ab457a073cbf6ff032ed7177a781e2ce980a1f095688659cff8c0005fce50  libosip2-5.3.0.tar.gz
+"