fix internal links in entry index.html from 1984 thru 2012

1995/vanschnitz/README.md

@@ -36,7 +36,7 @@ For more detailed information see [1995 vanschnitz bugs](../../bugs.html#1995_va
 ## Alternate code:
 
 The authors provided a spoiler version of the program. Originally uuencoded we
-have decoded it for the wider audience in [vanschnitz.alt.c](vanschnitz.alt.c). The
+have decoded it for the wider audience in [vanschnitz.alt.c](%%REPO_URL%%/1995/vanschnitz/vanschnitz.alt.c). The
 `uuencode`d blob is still available in their remarks below. They encourage you
 to first try and figure out the program without the spoiler.
 
@@ -120,7 +120,7 @@ solution wherein the disks end up on peg 2; for an even
 number of disks, they will end on peg 3.  This should
 provide some hint as to what sort of algorithm is used.
 
-We have included a [spoiler](spoiler.c) version of the program, with
+We have included a [spoiler](%%REPO_URL%%/1995/vanschnitz/spoiler.c) version of the program, with
 meaningful symbol names and comments, but we encourage you
 to try to decipher the program without it...