Fix Windows installer.
Fix Windows installer.

The theories/ directory contains no cmi/cmxs files when native_compute is
disabled, so do not try to ship them.

maximedenes/coq,coq/coq,Lionel-Rieg/coq,maximedenes/coq,ejgallego/coq,gares/coq,Lionel-Rieg/coq,Matafou/coq,Lionel-Rieg/coq,silene/coq,Ptival/coq,JasonGross/coq,letouzey/coq-wip,gares/coq,SkySkimmer/coq,mattam82/coq,mattam82/coq,amintimany/coq,william-lawvere/coq,coq/coq,ppedrot/coq,gares/coq,amintimany/coq,jpdeplaix/coq,herbelin/github-coq,JasonGross/coq,silene/coq,Zimmi48/coq,SkySkimmer/coq,Zimmi48/coq,herbelin/github-coq,maximedenes/coq,barras/coq,JasonGross/coq,amintimany/coq,maximedenes/coq,coq/coq,letouzey/coq-wip,ejgallego/coq,ppedrot/coq,SkySkimmer/coq,Matafou/coq,ppedrot/coq,letouzey/coq-wip,JasonGross/coq,herbelin/github-coq,silene/coq,letouzey/coq-wip,ejgallego/coq,barras/coq,gares/coq,ejgallego/coq,mattam82/coq,william-lawvere/coq,letouzey/coq-wip,coq/coq,ppedrot/coq,Zimmi48/coq,Ptival/coq,gares/coq,jpdeplaix/coq,barras/coq,Zimmi48/coq,william-lawvere/coq,SkySkimmer/coq,jpdeplaix/coq,maximedenes/coq,Matafou/coq,Ptival/coq,ppedrot/coq