patch 8.1.2307: positioning popup doesn't work for buffer-local textprop

Problem:    Positioning popup doesn't work for buffer-local textprop.
Solution:   Make it work. (closes #5225)
diff --git a/src/version.c b/src/version.c
index dc6caed..a682517 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2307,
+/**/
     2306,
 /**/
     2305,