Fixed libpng16-0

Author: apps.0install.net

lib/png16-0.xml

@@ -42,10 +42,12 @@ using libpng.</description>
     <group version="1.6.37-3">
       <dc:creator>Alexey Pavlov &lt;alexpux@gmail.com&gt;</dc:creator>
       <implementation arch="Windows-x86_64" id="sha1new=0d1541417b6859b9e1b2543e03875c678b9d2271" released="2020-05-06">
+        <dc:available>2019-04-23</dc:available>
         <manifest-digest sha256new="3XMBWJUUBNLOTACQ3VXF6XRDTCVTZW6QHRCKPZN4LRHYYVBLNZ4A"/>
         <archive extract="mingw64" href="http://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-libpng-1.6.37-3-any.pkg.tar.xz" size="355436"/>
       </implementation>
       <implementation arch="Windows-i686" id="sha1new=613bb705b38ebd634991de362b94ef00db50dc8d" released="2020-05-06">
+        <dc:available>2019-04-23</dc:available>
         <manifest-digest sha256new="BKBOVWAUP5DDGSFQYCYEJRNZM4J5T4Z6W352UCSPF56X7HTGNZLQ"/>
         <archive extract="mingw32" href="http://repo.msys2.org/mingw/i686/mingw-w64-i686-libpng-1.6.37-3-any.pkg.tar.xz" size="355156"/>
       </implementation>

lib/png16-0.xml.template

@@ -28,10 +28,12 @@ using libpng.</description>
     <group version="{version}">
       <dc:creator>{packager}</dc:creator>
       <implementation arch="Windows-x86_64">
+        <dc:available>{released}</dc:available>
         <manifest-digest/>
         <archive extract="mingw64" href="{pkg_url}"/>
       </implementation>
       <implementation arch="Windows-i686">
+        <dc:available>{released32}</dc:available>
         <manifest-digest/>
         <archive extract="mingw32" href="{pkg_url32}"/>
       </implementation>