commit 5963689469a04bb96be75d1d7f94cf643270f3a2
Author: Joel Pittet <joel@pittet.ca>
Date:   Sun Jun 7 10:58:42 2015 -0400

    remove message init and space

diff --git a/core/lib/Drupal/Core/Database/Install/Tasks.php b/core/lib/Drupal/Core/Database/Install/Tasks.php
index 356fcb5..fea4bd9 100644
--- a/core/lib/Drupal/Core/Database/Install/Tasks.php
+++ b/core/lib/Drupal/Core/Database/Install/Tasks.php
@@ -148,14 +148,13 @@ public function runTasks() {
       }
     }
     // Check for failed results and compile message
-    $message = '';
     foreach ($this->results as $result => $success) {
       if (!$success) {
         $failure_message = $result;
       }
     }
     if (!empty($failure_message)) {
-      $message = SafeMarkup::format('Resolve all issues below to continue the installation. For help configuring your database server, see the <a href="https://www.drupal.org/getting-started/install">installation handbook</a>, or contact your hosting provider. @failure_message', ['@failure_message' => $failure_message]);
+      $message = SafeMarkup::format('Resolve all issues below to continue the installation. For help configuring your database server, see the <a href="https://www.drupal.org/getting-started/install">installation handbook</a>, or contact your hosting provider.@failure_message', ['@failure_message' => $failure_message]);
       throw new TaskException($message);
     }
   }