[shotwell] Fix typo in fullscreen option

[Jens Georg <jensgeorg src gnome org>]

commit 036f831a14d74160741b7c6d8e404d0be63e8e1d
Author: Jens Georg <mail jensge org>
Date:   Tue May 30 18:28:48 2017 +0200

    Fix typo in fullscreen option
    
    https://bugzilla.gnome.org/show_bug.cgi?id=716830

 src/main.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/main.vala b/src/main.vala
index 35c4000..610bf0a 100644
--- a/src/main.vala
+++ b/src/main.vala
@@ -313,7 +313,7 @@ public OptionEntry[] get_options() {
         _("Show the application’s version"), null };
     entries += version;
 
-    OptionEntry fullscreen = { "fuillscreen", 'f', 0, OptionArg.NONE,
+    OptionEntry fullscreen = { "fullscreen", 'f', 0, OptionArg.NONE,
         &fullscreen, _("Start the application in fullscreen mode"), null };
     entries += fullscreen;