patch 8.2.1222: using valgrind in Vim command started by test doesn't work

Problem:    When using valgrind a Vim command started by a test uses the same
            log file name which gets overwritten.
Solution:   Fix regexp to rename the log file.

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1222,
 /**/
     1221,
 /**/