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/testdir/test_registers.vim b/src/testdir/test_registers.vim
index 0888e60..36fc304 100644
--- a/src/testdir/test_registers.vim
+++ b/src/testdir/test_registers.vim
@@ -53,6 +53,9 @@
 
     " these commands work in the sandbox
     let a = execute('sandbox display')
+    " When X11 connection is not available, there is a warning W23
+    " filter this out (we could also run the :display comamand twice)
+    let a = substitute(a, 'W23.*0\n', '', '')
     let b = execute('sandbox registers')
 
     call assert_equal(a, b)
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,