bug #2944069 [config] Extraneus dot from dirname() when installed in root, thanks to ayanamist

ChangeLog

@@ -96,6 +96,7 @@ $HeadURL: https://phpmyadmin.svn.sourceforge.net/svnroot/phpmyadmin/trunk/phpMyA
 - bug #2938492 [display] information_schema sorting order 
 - bug #2941101 [import] import timeout when table already created and
   several data lines
+- bug #2944069 [config] Extraneus dot from dirname() when installed in root, thanks to ayanamist
 
 3.2.5.0 (2010-01-10)
 - patch #2903400 [bookmarks] Status of bookmark table, 

libraries/Config.class.php

@@ -658,6 +658,11 @@ class PMA_Config
                     $path = dirname(dirname($path));
                 }
             }
+
+            // PHP's dirname function would have returned a dot when $path contains no slash
+            if ($path == '.') {
+                $path = '';
+            }
             // in vhost situations, there could be already an ending slash
             if (substr($path, -1) != '/') {
                 $path .= '/';