Build without bootstrap option

It is no longer necessary, as f31 was already bootstrapped.

nettle.spec

@@ -3,7 +3,7 @@
 %global hogweed_so_ver 5
 
 # Set to 1 when building a bootstrap for a bumped so-name.
-%global bootstrap 1
+%global bootstrap 0
 
 %if 0%{?bootstrap}
 %global version_old 3.4.1rc1
@@ -15,7 +15,7 @@
 
 Name:           nettle
 Version:        3.5.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A low-level cryptographic library
 
 License:        LGPLv3+ or GPLv2+
@@ -170,6 +170,9 @@ make check
 
 
 %changelog
+* Thu Oct 31 2019 Nikos Mavrogiannopoulos <nmav@redhat.com> - 3.5.1-4
+- New upstream release
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3.5.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild