Makefile.build : follow-up of previous commit
Makefile.build : follow-up of previous commit

 - the particlar rule for dev/printers.cma is adapted as for %.cma:%.mllib
 - some more removal of | .d in rules

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