patch 8.2.1907: complete_info().selected may be wrong

Problem:    Complete_info().selected may be wrong.
Solution:   Update cp_number if it was never set. (issue #6945)
diff --git a/src/version.c b/src/version.c
index 4acc9c4..52d64fc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1907,
+/**/
     1906,
 /**/
     1905,