Fix Makefile on OS X

The BSD version of `find` needs to be given '.' as the search path.

Makefile

@@ -341,7 +341,7 @@ uninstall: uninstall_me.sh
 clean::
 	rm -f $(OBJFILES) $(OBJFILES:.o=.native) $(NATIVEFILES)
 	find . -name .coq-native -type d -empty -delete
-	find -name "*.vo" -delete -o -name "*.glob" -delete -o -name "*.v.d" -delete -o -name "*.vio" -delete -o -name "*.old" -delete -o -name "*.beautified" -delete
+	find . -name "*.vo" -delete -o -name "*.glob" -delete -o -name "*.v.d" -delete -o -name "*.vio" -delete -o -name "*.old" -delete -o -name "*.beautified" -delete
 	rm -f all.ps all-gal.ps all.pdf all-gal.pdf all.glob $(VFILES:.v=.glob) $(VFILES:.v=.tex) $(VFILES:.v=.g.tex) all-mli.tex
 	- rm -rf html mlihtml uninstall_me.sh
 

create_makefile.sh

@@ -11,4 +11,4 @@ sed -i 's|$(notdir $(^:.vo=))|$(addprefix rt., $(subst /,., $(^:.vo=)))|g' Makef
 sed -i 's|-interpolate -utf8|-interpolate -utf8 --parse-comments --external https://math-comp.github.io/math-comp/htmldoc/ mathcomp|g' Makefile
 
 # Fix 'make clean' to remove all binary files, regardless of name
-sed -i 's|rm -f $(VOFILES) $(VOFILES:.vo=.vio) $(GFILES) $(VFILES:.v=.v.d) $(VFILES:=.beautified) $(VFILES:=.old)|find -name "*.vo" -delete -o -name "*.glob" -delete -o -name "*.v.d" -delete -o -name "*.vio" -delete -o -name "*.old" -delete -o -name "*.beautified" -delete|g' Makefile
+sed -i 's|rm -f $(VOFILES) $(VOFILES:.vo=.vio) $(GFILES) $(VFILES:.v=.v.d) $(VFILES:=.beautified) $(VFILES:=.old)|find . -name "*.vo" -delete -o -name "*.glob" -delete -o -name "*.v.d" -delete -o -name "*.vio" -delete -o -name "*.old" -delete -o -name "*.beautified" -delete|g' Makefile