Makefile: Do _not_ delete dummy .ml files of .ml4 files even when not needed anymore.
Makefile: Do _not_ delete dummy .ml files of .ml4 files even when not needed anymore.

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@10015 85f007b7-540e-0410-9357-904b9bb8a0f7

coq/coq,ejgallego/coq,shindere/coq,ejgallego/coq,gmalecha/coq,TheTypoMaster/coq,maximedenes/coq,gares/coq,william-lawvere/coq,Ptival/coq,SkySkimmer/coq,herbelin/github-coq,tomprince/coq,ppedrot/coq,shindere/coq,tomprince/coq,coq/coq,TheTypoMaster/coq,letouzey/coq-wip,Ptival/coq,william-lawvere/coq,jhjourdan/coq,silene/coq,Matafou/coq,herbelin/coq-hh,letouzey/coq-wip,ppedrot/coq,mattam82/Coq-misc,Zimmi48/coq,TOSPIO/coq,ejgallego/coq,mattam82/coq,coq/coq,jpdeplaix/coq,pirapira/coq2rust,mattam82/coq,pirbo/coq,herbelin/github-coq,jpdeplaix/coq,mattam82/Coq-misc,pirapira/coq2rust,gmalecha/coq,barras/coq,coq/coq,mattam82/coq,herbelin/coq-hh,JasonGross/coq,william-lawvere/coq,mlasson/coq,Matafou/coq,silene/coq,Matafou/coq,ppedrot/coq,Lionel-Rieg/coq,ppedrot/coq,gmalecha/coq,gares/coq,barras/coq,gares/coq,JasonGross/coq,amintimany/coq,mlasson/coq,Zimmi48/coq,gares/coq,8l/coq,aspiwack/coq,asr/coq,jhjourdan/coq,maximedenes/coq,Ptival/coq,Lionel-Rieg/coq,letouzey/coq-wip,TOSPIO/coq,letouzey/coq-wip,aspiwack/coq,barras/coq,Lionel-Rieg/coq,maximedenes/coq,JasonGross/coq,maximedenes/coq,gares/coq,ale-f/coq,8l/coq,shindere/coq,JasonGross/coq,SkySkimmer/coq,jpdeplaix/coq,letouzey/coq-wip,mlasson/coq,tomprince/coq,8l/coq,maximedenes/coq,amintimany/coq,pirapira/coq2rust,ejgallego/coq,TheTypoMaster/coq,Zimmi48/coq,ale-f/coq,asr/coq,jhjourdan/coq,TOSPIO/coq,amintimany/coq,asr/coq,aspiwack/coq,herbelin/github-coq,silene/coq,Zimmi48/coq,ale-f/coq,pirbo/coq,ppedrot/coq,SkySkimmer/coq,SkySkimmer/coq,pirbo/coq