patch 8.2.5156: search timeout test often fails with FreeBSD

Problem:    Search timeout test often fails with FreeBSD.
Solution:   Double the maximum time.
diff --git a/src/testdir/test_search.vim b/src/testdir/test_search.vim
index 5422b33..c12c07b 100644
--- a/src/testdir/test_search.vim
+++ b/src/testdir/test_search.vim
@@ -379,6 +379,10 @@
     if RunningWithValgrind()
       let max_time += 0.04  " this can be slow with valgrind
     endif
+    if has('bsd')
+      " test often fails with FreeBSD
+      let max_time = max_time * 2.0
+    endif
   endif
   let start = reltime()
   let found = searchpair('(', '', ')', 'crnm', 'SearchpairSkip()', 0, ms)
diff --git a/src/version.c b/src/version.c
index 4f9d891..b13e4ce 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5156,
+/**/
     5155,
 /**/
     5154,