[devhelp] misc: make ctrl+= zoom in

[Frederic Peters <fpeters src gnome org>]

commit f3080bb0ad52c825180efd75ad1c78ce00cca836
Author: Frédéric Péters <fpeters 0d be>
Date:   Wed Jan 27 15:46:30 2016 +0100

    misc: make ctrl+= zoom in
    
    https://bugzilla.gnome.org/show_bug.cgi?id=743704

 src/dh-app.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/dh-app.c b/src/dh-app.c
index 03bc07a..a7d9985 100644
--- a/src/dh-app.c
+++ b/src/dh-app.c
@@ -359,7 +359,9 @@ setup_accelerators (DhApp *self)
         gtk_application_set_accels_for_action (GTK_APPLICATION (self), "win.zoom-out", accels);
 
         accels[0] = "<Primary>plus";
+        accels[1] = "<Primary>equal";
         gtk_application_set_accels_for_action (GTK_APPLICATION (self), "win.zoom-in", accels);
+        accels[0] = NULL;
 
         accels[0] = "<Primary>f";
         gtk_application_set_accels_for_action (GTK_APPLICATION (self), "win.find", accels);