Replaces RPC_E_WRONG_THREAD constant with literal, since the constant does not exist in pre-VS 2013 versions of VSConstants.
Replaces RPC_E_WRONG_THREAD constant with literal, since the constant does not exist in pre-VS 2013 versions of VSConstants.

mousetraps/xtvs-common,Microsoft/VisualStudio-SharedProject,enricosada/VisualStudio-SharedProject,mousetraps/xtvs-common