patch 8.2.2981: recovery test is not run on big-endian systems

Problem:    Recovery test is not run on big-endian systems.
Solution:   Make it work on big-endian systems. (James McCoy, closes #8368)
diff --git a/src/version.c b/src/version.c
index ac5cc99..15ee76a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2981,
+/**/
     2980,
 /**/
     2979,