Fix metadata

net-dns/bind/metadata.xml

@@ -15,6 +15,6 @@
         <flag name="gssapi">Enable gssapi support</flag>
         <flag name="json">Enable JSON statistics channel</flag>
         <flag name="lmdb">Enable LMDB support to store configuration for 'addzone' zones</flag>
-        <flag name=sdb-ldap>Use LDAP backend</flag>
+        <flag name="sdb-ldap">Use LDAP backend</flag>
     </use>
 </pkgmetadata>