[2.3] Fixed an undefined variable in Glob::toRegex

Author: javiereguiluz

src/Symfony/Component/Finder/Glob.php

@@ -65,7 +65,7 @@ public static function toRegex($glob, $strictLeadingDot = true, $strictWildcardS
                 $firstByte = true;
             }
 
-            if ($delimiter === $car || '.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
+            if ('#' === $car || '.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
                 $regex .= "\\$car";
             } elseif ('*' === $car) {
                 $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*');