Fix completion for R5RS Scheme.
See https://github.com/ashinn/scheme-complete/issues/1

--- scheme-complete-master/scheme-complete.el.orig	2015-12-25 21:59:09.896909029 +0100
+++ scheme-complete-master/scheme-complete.el	2015-12-25 21:59:17.924993998 +0100
@@ -591,7 +591,7 @@
            '((exact->inexact (lambda (z) z))
              (inexact->exact (lambda (z) z)))
            (mapcar #'(lambda (x)
-                       (list x (scheme-env-lookup *scheme-r7rs-info* x)))
+                       (scheme-env-lookup *scheme-r7rs-info* x))
                    *scheme-r5rs-bindings*))))
   *scheme-r5rs-info*)
 
t name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=a743b04a41b9976a8d087056393ba5cf317af452'>refs</a><a class='active' href='/guix/log/NEWS'>log</a><a href='/guix/tree/NEWS?id=a743b04a41b9976a8d087056393ba5cf317af452'>tree</a><a href='/guix/commit/NEWS?id=a743b04a41b9976a8d087056393ba5cf317af452'>commit</a><a href='/guix/diff/NEWS?id=a743b04a41b9976a8d087056393ba5cf317af452'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/NEWS'>
<input type='hidden' name='id' value='a743b04a41b9976a8d087056393ba5cf317af452'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=a743b04a41b9976a8d087056393ba5cf317af452'>root</a>/<a href='/guix/log/NEWS?id=a743b04a41b9976a8d087056393ba5cf317af452'>NEWS</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/NEWS?id=a743b04a41b9976a8d087056393ba5cf317af452&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-04-15 00:02:23 +0200'>2020-04-15</span></td><td><a href='/guix/commit/NEWS?id=d62c9b2671be55ae0305bebfda17b595f33797f2'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-12 17:05:21 +0200'>2020-04-12</span></td><td><a href='/guix/commit/NEWS?id=6945c43754308f64ad177fd29fa515959243f155'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-09 22:56:56 +0200'>2020-04-09</span></td><td><a href='/guix/commit/NEWS?id=f9adf3559543bdbcecad45280c9c626b63e84e95'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>