patch 8.2.1803: a few failures are not tested

Problem:    A few failures are not tested.
Solution:   Test a few failures. (Dominique Pellé, closes #7075)
diff --git a/src/version.c b/src/version.c
index 244c26d..e4bc870 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1803,
+/**/
     1802,
 /**/
     1801,