PROTON-408: [proton-c] Windows build does not put "d" suffix on debug file names

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1515559 13f79535-47bb-0310-9956-ffa450edef68
PROTON-407: [proton-c] Windows install does not install .lib nor .pdb files
This patch installs the .lib file(s) to the /bin directory.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1515614 13f79535-47bb-0310-9956-ffa450edef68