docs: add missing closing section

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/stats/base/dists/geometric/logcdf/README.md

@@ -238,6 +238,8 @@ int main( void ) {
 
 <section class="references">
 
+</section>
+
 <!-- /.references -->
 
 <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->