patch 8.2.5156: search timeout test often fails with FreeBSD

Problem:    Search timeout test often fails with FreeBSD.
Solution:   Double the maximum time.

src/testdir/test_search.vim

@@ -379,6 +379,10 @@ func Test_searchpair_timeout_with_skip()
     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)

src/version.c

@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5156,
 /**/
     5155,
 /**/