[vte] a11y: Fix caret position when the cursor is at the top left of the terminal

[Egmont Koblinger <egmontkob src gnome org>]

commit 143de2bfe40a33424991944202e9c3b25c3a0b01
Author: Samuel Thibault <samuel thibault ens-lyon org>
Date:   Sun Feb 1 20:37:42 2015 +0100

    a11y: Fix caret position when the cursor is at the top left of the terminal
    
    https://bugzilla.gnome.org/show_bug.cgi?id=166637

 src/vteaccess.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)
---
diff --git a/src/vteaccess.c b/src/vteaccess.c
index 9cb1ed4..d445e43 100644
--- a/src/vteaccess.c
+++ b/src/vteaccess.c
@@ -341,7 +341,7 @@ vte_terminal_accessible_update_private_data_if_needed(VteTerminalAccessible *acc
                        "Cursor at (%ld, " "%ld).\n", ccol, crow);
 
        /* Get the offsets to the beginnings of each line. */
-       caret = -1;
+       caret = 0;
        for (i = 0; i < priv->snapshot_characters->len; i++) {
                /* Get the attributes for the current cell. */
                offset = g_array_index(priv->snapshot_characters,
@@ -357,12 +357,6 @@ vte_terminal_accessible_update_private_data_if_needed(VteTerminalAccessible *acc
                }
        }
 
-       /* If no cells are before the caret, then the caret must be
-        * at the end of the buffer. */
-       if (caret == -1) {
-               caret = priv->snapshot_characters->len;
-       }
-
        /* Notify observers if the caret moved. */
        if (caret != priv->snapshot_caret) {
                priv->snapshot_caret = caret;