[shotwell/shotwell-0.28] camera: Add mtp to supported mount schemes

[Jens Georg <jensgeorg src gnome org>]

commit 9e12fe7a5af9eda05d8c5e6d0f771b1c8021d18d
Author: Jens Georg <mail jensge org>
Date:   Thu Jun 28 22:03:56 2018 +0200

    camera: Add mtp to supported mount schemes
    
    This allows automatic unmounting of MTP devices.

 src/library/LibraryWindow.vala | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/library/LibraryWindow.vala b/src/library/LibraryWindow.vala
index 47a0ad9e..7f5100a4 100644
--- a/src/library/LibraryWindow.vala
+++ b/src/library/LibraryWindow.vala
@@ -19,7 +19,8 @@ public class LibraryWindow : AppWindow {
     private const string[] SUPPORTED_MOUNT_SCHEMES = {
         "gphoto2:",
         "disk:",
-        "file:"
+        "file:",
+        "mtp:"
     };
     
     private const int BACKGROUND_PROGRESS_PULSE_MSEC = 250;