Add Gatling presentation link to the schedule

Change-Id: Ic78d2a13df678dd2003893d6ce1bf51218b7db8e
diff --git a/schedule-europe.md b/schedule-europe.md
index 160afa4..1dd7044 100644
--- a/schedule-europe.md
+++ b/schedule-europe.md
@@ -45,7 +45,7 @@
 | 12:00 | [Community Retrospective - Part 2](sessions/community-retrospective.md)                      |
 | 12:45 | Lunch & Networking                                                                           |
 | 14:00 | [Gertty, console-based interface to the Gerrit Code Review system](sessions/gertty.md)       |
-| 14:45 | End-to-End Git/Gerrit testing with Gatling                                                   |
+| 14:45 | [End-to-End Git/Gerrit testing with Gatling](sessions/gerrit-load-testing.md)                |
 | 15:30 | [Dependency Visualization with Gerrit](sessions/dependency-visualization.md)                 |
 | 16:00 | Break & Networking                                                                           |
 | 16:15 | Wrap-up and proposals for future Summits                                                     |