patch 8.2.0051: command line completion test skipped

Problem:    Command line completion test skipped. (Christian Brabandt)
Solution:   Invert condition.
diff --git a/src/version.c b/src/version.c
index 568c156..b8c4870 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    51,
+/**/
     50,
 /**/
     49,