patch 8.2.4988: textprop in wrong position when replacing multi-byte chars

Problem:    Textprop in wrong position when replacing multi-byte chars.
Solution:   Adjust textprop position. (closes #10461)
diff --git a/src/version.c b/src/version.c
index 708f4a8..ec25334 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4988,
+/**/
     4987,
 /**/
     4986,