[gtk/wip/carlosg/fix-surrounding-text] imwayland: Fix typo in code

[Carlos Garnacho <carlosg src gnome org>]

commit 965a85a0d35c8026fd9d8ed0e2d674752b5bd0ba
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Mar 18 16:59:58 2020 +0100

    imwayland: Fix typo in code
    
    To find the middle of the string, we should check both cursor/anchor.
    This is actually a backport of commit 8fc360dac5e4 in master.
    
    Closes: https://gitlab.gnome.org/GNOME/gtk/issues/2522

 modules/input/imwayland.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/modules/input/imwayland.c b/modules/input/imwayland.c
index 821f2f678c..1d7fdba8cc 100644
--- a/modules/input/imwayland.c
+++ b/modules/input/imwayland.c
@@ -320,7 +320,7 @@ notify_surrounding_text (GtkIMContextWayland *context)
             }
 
           mid = MIN (context->surrounding.cursor_idx,
-                     context->surrounding.cursor_idx) + (cursor_len / 2);
+                     context->surrounding.anchor_idx) + (cursor_len / 2);
           a = MAX (0, mid - (MAX_LEN / 2));
           b = MIN (MAX_LEN, mid + (MAX_LEN / 2));