patch 9.1.1120: tests: Test_registers fails

Problem:  tests: Test_registers fails
          (T.J. Townsend, after v9.1.1115)
Solution: require clipboard feature

Signed-off-by: Christian Brabandt <[email protected]>

Author: chrisbra

src/testdir/test_registers.vim

@@ -1104,6 +1104,7 @@ endfunc
 
 " This caused use-after-free
 func Test_register_redir_display()
+  CheckFeature clipboard
   " don't touch the clipboard, so only perform this, when the clipboard is not working
   if has("clipboard_working")
     throw "Skipped: skip touching the clipboard register!"

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1120,
 /**/
     1119,
 /**/