main/acf-squid: upgrade to 0.5.2

(cherry picked from commit 4787453d)

main/acf-squid/APKBUILD

 # Contributor: Michael Mason <ms13sp@gmail.com>
 pkgname=acf-squid
-pkgver=0.5.1
+pkgver=0.5.2
 pkgrel=0
 pkgdesc="A web-based system administration interface for squid"
 url="http://git.alpinelinux.org/cgit/acf-squid"
@@ -18,4 +18,4 @@ build() {
 
 }
 
-md5sums="2ac257458c05c48631f76d35fd261930  acf-squid-0.5.1.tar.bz2"
+md5sums="1fd70ba0eb10086e6e0fffb054cb907b  acf-squid-0.5.2.tar.bz2"