patch 8.2.2501: not always clear where an error is reported

Problem:    Not always clear where an error is reported.
Solution:   Add the where_T structure and pass it around. (closes #7796)
diff --git a/src/version.c b/src/version.c
index 8918ec5..1037c18 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2501,
+/**/
     2500,
 /**/
     2499,