patch 8.2.1958: build failure with timers

Problem:    Build failure with timers.
Solution:   Add missing change.

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1958,
 /**/
     1957,
 /**/