[gnome-builder] Changed enum constant misspelling.

[Christian Hergert <chergert src gnome org>]

commit b09580af601f890d8d09a01f36f6d03de495a08b
Author: Keith Bailey <kbailey4444 gmail com>
Date:   Sun Sep 26 20:05:16 2021 -0400

    Changed enum constant misspelling.
    
    CHNAGE_CURRENT_PAGE becomes CHANGE_CURRENT_PAGE
    
    Fixes: #1534

 src/libide/gui/ide-frame.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libide/gui/ide-frame.c b/src/libide/gui/ide-frame.c
index 26f681c8e..cc52ed49f 100644
--- a/src/libide/gui/ide-frame.c
+++ b/src/libide/gui/ide-frame.c
@@ -101,7 +101,7 @@ enum {
 };
 
 enum {
-  CHNAGE_CURRENT_PAGE,
+  CHANGE_CURRENT_PAGE,
   N_SIGNALS
 };
 
@@ -869,7 +869,7 @@ ide_frame_class_init (IdeFrameClass *klass)
 
   g_object_class_install_properties (object_class, N_PROPS, properties);
 
-  signals [CHNAGE_CURRENT_PAGE] =
+  signals [CHANGE_CURRENT_PAGE] =
     g_signal_new_class_handler ("change-current-page",
                                 G_TYPE_FROM_CLASS (klass),
                                 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,