Fix a bug in Program coercion code
Fix a bug in Program coercion code

It was not accounting for the universe constraints generated by
applications of the coercion.

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