patch 8.1.0043: ++bad argument of :edit does not work properly

Problem:    ++bad argument of :edit does not work properly.
Solution:   Return FAIL from get_bad_opt() only when there is no valid
            argument. (Dominique Pelle, Christian Brabandt, closes #2966,
            closes #2947)
diff --git a/src/version.c b/src/version.c
index 4ab241e..100506b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    43,
+/**/
     42,
 /**/
     41,