patch 9.1.0944: tests: test_registers fails when not run under X11

Problem:  tests: test_registers fails when not run under X11
Solution: filter out warning message

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 8bd59e3..ebaca6e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    944,
+/**/
     943,
 /**/
     942,