patch 8.2.5139: TIME_WITH_SYS_TIME is no longer supported by autoconf

Problem:    TIME_WITH_SYS_TIME is no longer supported by autoconf.
Solution:   Always include time.h.
diff --git a/src/version.c b/src/version.c
index 0422787..370c4d0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5139,
+/**/
     5138,
 /**/
     5137,