community/md4c: upgrade to 0.5.2

community/md4c/APKBUILD

 # Contributor: Grigory Kirillov <txgk@bk.ru>
 # Maintainer: Celeste <cielesti@protonmail.com>
 pkgname=md4c
-pkgver=0.5.1
+pkgver=0.5.2
 pkgrel=0
 pkgdesc="Fast Markdown parser written in C"
 url="https://github.com/mity/md4c"
@@ -25,5 +25,5 @@ package() {
 }
 
 sha512sums="
-6cef0b7696ef7477b69948eb2724c153649a02e1fb7eb25c2974ae81df50f34ee59d7e892652b6ca37c0ab118db8603211b0f0f8aa105f72f2fceb51c4fa1e5f  md4c-0.5.1.tar.gz
+30607ba39d6c59329f5a56a90cd816ff60b82ea752ac2b9df356d756529cfc49170019fae5df32fa94afc0e2a186c66eaf56fa6373d18436c06ace670675ba85  md4c-0.5.2.tar.gz
 "