rpm: Fixed incorrect change log day of the week.

rpmbuild warns of bogus dates.
May 24, 2016 is Tuesday.
diff --git a/rpm/SPECS/nginx.spec.in b/rpm/SPECS/nginx.spec.in
index d2a2473..021fb45 100644
--- a/rpm/SPECS/nginx.spec.in
+++ b/rpm/SPECS/nginx.spec.in
@@ -328,7 +328,7 @@
 * Tue May 31 2016 Konstantin Pavlov <thresh@nginx.com>
 - 1.11.1
 
-* Wed May 24 2016 Sergey Budnevitch <sb@nginx.com>
+* Tue May 24 2016 Sergey Budnevitch <sb@nginx.com>
 - Fixed logrotate error if nginx is not running
 - 1.11.0