patch 8.1.1126: build failure with +terminal but without tgetent

Problem:    Build failure with +terminal but without tgetent.
Solution:   Adjust #ifdef.
diff --git a/src/version.c b/src/version.c
index f9dd7cc..9115a00 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1126,
+/**/
     1125,
 /**/
     1124,