patch 8.1.0945: internal error when using pattern with NL in the range

Problem:    Internal error when using pattern with NL in the range.
Solution:   Use an actual newline for the range. (closes #3989)  Also fix
            error message.  (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index b3244c1..0d44663 100644
--- a/src/version.c
+++ b/src/version.c
@@ -780,6 +780,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    945,
+/**/
     944,
 /**/
     943,