Exa screen private has SavedSourceValidate, not SourceValidate

Need to check the right field to see if there is a wrapped
SourceValidate function.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/exa/exa_unaccel.c b/exa/exa_unaccel.c
index 8fc93171b..2f8c4622d 100644
--- a/exa/exa_unaccel.c
+++ b/exa/exa_unaccel.c
@@ -462,7 +462,7 @@ ExaSrcValidate(DrawablePtr pDrawable,
     REGION_UNION(pScreen, dst, dst, &reg);
     REGION_UNINIT(pScreen, &reg);
 
-    if (pExaScr->SourceValidate) {
+    if (pExaScr->SavedSourceValidate) {
         swap(pExaScr, pScreen, SourceValidate);
         pScreen->SourceValidate(pDrawable, x, y, width, height);
         swap(pExaScr, pScreen, SourceValidate);