patch 8.0.1379: configure check for selinux does not check for header file

Problem:    Configure check for selinux does not check for header file.
Solution:   Add an AC_CHECK_HEADER(). (Benny Siegert)
diff --git a/src/version.c b/src/version.c
index 70340e0..6cb6e2c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1379,
+/**/
     1378,
 /**/
     1377,