Update clients.html

Author: ihintza

_includes/clients.html

@@ -4,7 +4,7 @@
             <div class="row">
                 <div class="col-md-3 col-sm-6">
                     <a href="#">
-                        <img src="img/logos/bcbl_bigger.jpg" class="img-responsive img-centered" alt="">
+                        <img src="img/logos/bcbl_bigger.png" class="img-responsive img-centered" alt="">
                     </a>
                 </div>
                 <div class="col-md-3 col-sm-6">