patch 8.2.3910: when compare function of sort() fails it does not abort

Problem:    When the compare function of sort() produces and error then sort()
            does not abort.
Solution:   Check if did_emsg was incremented.
diff --git a/src/version.c b/src/version.c
index 62b646c..8c4377b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3910,
+/**/
     3909,
 /**/
     3908,