Add a relative link to coq-core.
Add a relative link to coq-core.

JasonGross/coq,ejgallego/coq,coq/coq,SkySkimmer/coq,JasonGross/coq,JasonGross/coq,JasonGross/coq,ejgallego/coq,Zimmi48/coq,SkySkimmer/coq,coq/coq,SkySkimmer/coq,coq/coq,Zimmi48/coq,Zimmi48/coq,SkySkimmer/coq,ejgallego/coq,coq/coq,ejgallego/coq,Zimmi48/coq