[evolution] help: Update main window screenshot for 3.32 style

[Andre Klapper <aklapper src gnome org>]

commit 9647cb2ce91cc909b878c1aa3286bc222e5078a8
Author: Andre Klapper <a9016009 gmx de>
Date:   Thu Jun 20 21:36:20 2019 +0200

    help: Update main window screenshot for 3.32 style

 help/C/figures/window-overview-layers.png | Bin 109789 -> 117354 bytes
 help/C/intro-main-window.page             |   2 +-
 2 files changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/figures/window-overview-layers.png b/help/C/figures/window-overview-layers.png
index 5b3be78c1c..7eabaf8b2c 100644
Binary files a/help/C/figures/window-overview-layers.png and b/help/C/figures/window-overview-layers.png 
differ
diff --git a/help/C/intro-main-window.page b/help/C/intro-main-window.page
index 0fc2703147..373c061c85 100644
--- a/help/C/intro-main-window.page
+++ b/help/C/intro-main-window.page
@@ -34,7 +34,7 @@
 <section id="e-mail">
 <title>Mail</title>
 
-<media type="image" src="./figures/window-overview-layers.png" width="600">
+<media type="image" src="./figures/window-overview-layers.png" width="800">
   <p>The <app>Evolution</app> mail main window</p>
 </media>