Fix error 'A non well formed numeric value' on sfValidatorFile

Author: dator

lib/validator/sfValidatorFile.class.php

@@ -320,16 +320,17 @@ protected function getMaxFilesize()
       return PHP_INT_MAX;
     }
 
+    $value = strtolower(substr($max, 0, -1));
     switch (strtolower(substr($max, -1)))
     {
       case 'g':
-        $max *= 1024;
+        $value *= 1024;
       case 'm':
-        $max *= 1024;
+        $value *= 1024;
       case 'k':
-        $max *= 1024;
+        $value *= 1024;
     }
 
-    return (integer) $max;
+    return (integer) $value;
   }
 }