[freetype2] master d9b8a69e9: [truetype/GX] Fix an old typo.

[Werner Lemberg]

branch: master
commit d9b8a69e9a8ba5ac999e721d50c231fe2e01d0bd
Author: Alexei Podtelezhnikov <apodtele@gmail.com>
Commit: Alexei Podtelezhnikov <apodtele@gmail.com>

    [truetype/GX] Fix an old typo.
    
    * src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Vertical
    advance is measured along y-coordinate.
---
 src/truetype/ttgxvar.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
index 232bdb459..e81f3faeb 100644
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -4259,8 +4259,8 @@
       loader->linear   = FT_PIX_ROUND( unrounded[n_points - 3].x -
                                        unrounded[n_points - 4].x ) / 64;
     if ( !( face->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) )
-      loader->vadvance = FT_PIX_ROUND( unrounded[n_points - 1].x -
-                                       unrounded[n_points - 2].x ) / 64;
+      loader->vadvance = FT_PIX_ROUND( unrounded[n_points - 1].y -
+                                       unrounded[n_points - 2].y ) / 64;
 
   Fail3:
     FT_FREE( point_deltas_x );