patch 8.2.3483: #ifdef for using sysinfo() is incomplete

Problem:    #ifdef for using sysinfo() is incomplete.
Solution:   Also check for HAVE_SYSINFO. Make autoconf check use TRY_LINK.
            (closes #8952)
diff --git a/src/version.c b/src/version.c
index b0049e0..03b7022 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3483,
+/**/
     3482,
 /**/
     3481,