Replace double // with /. THis confuses mkid.

src/MAKE_ID

 #!/bin/sh
-find `pwd`/ -type f -name '*.[chyl]' -print|mkid -S.gen=C -
+find `pwd`/ -type f -name '*.[chyl]' -print|sed 's;//;/;g' | mkid -S.gen=C -
 
 find . -type d -print |while read DIR
 do