https://gitlab.freedesktop.org/xorg/xserver/-/commit/794fd7e563ca9430a4a29a8e9f1923c07c23a480
Drop redundant screenInfo declaration 

--- a/test/misc.c
+++ b/test/misc.c
@@ -33,8 +33,6 @@
 
 #include "tests-common.h"
 
-extern ScreenInfo screenInfo;
-
 static void
 dix_version_compare(void)
 {