QPID-5134: Export specialized versions of qpid::framing::Buffer::getUInt
from qpidcommon DLL

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1523827 13f79535-47bb-0310-9956-ffa450edef68
NO-JIRA: missing includes that are really needed

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1523828 13f79535-47bb-0310-9956-ffa450edef68