change test files that do not end in .txt to view via GitHub

1998/schweikh1/.entry.json

@@ -62,7 +62,7 @@
 	    "inventory_order" : 150,
 	    "OK_to_edit" : true,
 	    "display_as" : "text",
-	    "display_via_github" : false,
+	    "display_via_github" : true,
 	    "entry_text" : "standards compliance"
 	},
 	{

1998/schweikh1/index.html

@@ -364,7 +364,7 @@ That describes exactly my modest attempts…</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh1/schweikh1.orig.c">schweikh1.orig.c</a> - original source</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh1/charcount.pl">charcount.pl</a> - character counter</li>
 <li><a href="macos.html">macos.html</a> - work with macOS</li>
-<li><a href="info">info</a> - standards compliance</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh1/info">info</a> - standards compliance</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>