* src/inst-gpgme.nsi: Install gpgme import lib and header file,
* src/inst-libassuan.nsi: Likewise.
* src/inst-libgcrypt.nsi: Likewise.
* src/inst-libgpg-error.nsi: Likewise.
* src/inst-libksba.nsi: Likewise.
* src/uninst-gpg4win.nsi: Remove the new files.
* src/uninst-gpgme.nsi: Ditto.
* src/uninst-libassuan.nsi: Ditto.
* src/uninst-libgcrypt.nsi: Ditto.
* src/uninst-libgpg-error.nsi: Ditto.
* src/uninst-libksba.nsi: Ditto.