Fix category CSS

Before, when the category is closed by default, the active CSS class wasn't applied. Thus breaking the shortcuts for navigation.
Now it works the way it is supposed.

app/layout/aside_flux.phtml

@@ -42,21 +42,19 @@
 			$feeds = $cat->feeds ();
 			if (!empty ($feeds)) {
 				$c_active = false;
-				if ($this->conf->display_categories) {
-					if ($this->get_c == $cat->id () && $this->get_f) {
-						$c_active = true;
-					}
-				} else {
-					if ($this->get_c == $cat->id ()) {
-						$c_active = true;
+				$c_show = false;
+				if ($this->get_c == $cat->id ()) {
+					$c_active = true;
+					if (!$this->conf->display_categories || $this->get_f) {
+						$c_show = true;
 					}
 				}
 				?><li data-unread="<?php echo $cat->nbNotRead(); ?>"<?php if ($c_active) echo ' class="active"'; ?>><?php
 				?><div class="category stick<?php echo $c_active ? ' active' : ''; ?>"><?php
 					?><a data-unread="<?php echo formatNumber($cat->nbNotRead()); ?>" class="btn<?php echo $c_active ? ' active' : ''; ?>" href="<?php $arUrl['params']['get'] = 'c_' . $cat->id(); echo Minz_Url::display($arUrl); ?>"><?php echo $cat->name (); ?></a><?php
-					?><a class="btn dropdown-toggle" href="#"><?php echo FreshRSS_Themes::icon($c_active ? 'up' : 'down'); ?></a><?php
+					?><a class="btn dropdown-toggle" href="#"><?php echo FreshRSS_Themes::icon($c_show ? 'up' : 'down'); ?></a><?php
 				?></div><?php
-				?><ul class="feeds<?php echo $c_active ? ' active' : ''; ?>"><?php
+				?><ul class="feeds<?php echo $c_show ? ' active' : ''; ?>"><?php
 				foreach ($feeds as $feed) {
 					$feed_id = $feed->id ();
 					$nbEntries = $feed->nbEntries ();