patch 8.2.1007: completion doesn't work after ":r ++arg !"

Problem:    Completion doesn't work after ":r ++arg !".
Solution:   Skip over "++arg". (Christian Brabandt, closes #6275,
            closes #6258)
diff --git a/src/version.c b/src/version.c
index 080a8b1..6ea02b9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1007,
+/**/
     1006,
 /**/
     1005,