[vte] introspection: Fix annotation for vte_terminal_feed_child

[Christian Persch <chpe src gnome org>]

commit a1cd4a4e6e00022a6d874cef92980160973a9c01
Author: Phil Clayton <phil clayton lineone net>
Date:   Sat Mar 3 13:29:34 2018 +0100

    introspection: Fix annotation for vte_terminal_feed_child
    
    https://bugzilla.gnome.org/show_bug.cgi?id=793273

 src/vtegtk.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/vtegtk.cc b/src/vtegtk.cc
index bacfa01..261d2da 100644
--- a/src/vtegtk.cc
+++ b/src/vtegtk.cc
@@ -2715,7 +2715,7 @@ vte_terminal_feed(VteTerminal *terminal,
 /**
  * vte_terminal_feed_child:
  * @terminal: a #VteTerminal
- * @text: (element-type utf8) (allow-none): data to send to the child
+ * @text: (array length=length) (element-type gchar) (allow-none): data to send to the child
  * @length: length of @text in bytes, or -1 if @text is NUL-terminated
  *
  * Sends a block of UTF-8 text to the child as if it were entered by the user