patch 8.0.1575: crash when using virtual replace

Problem:    Crash when using virtual replace.
Solution:   Adjust orig_line_count.  Add more tests. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 3cf2550..c47cf6b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -767,6 +767,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1575,
+/**/
     1574,
 /**/
     1573,