Escape macros in %changelog

Reference: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/Y2ZUKK2B7T2IKXPMODNF6HB2O5T5TS6H/
Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

firewalld.spec

@@ -8,7 +8,7 @@
 Summary: A firewall daemon with D-Bus interface providing a dynamic firewall
 Name: firewalld
 Version: 0.5.1
-Release: 1%{?dist}
+Release: 2%{?dist}
 URL:     http://www.firewalld.org
 License: GPLv2+
 Source0: https://github.com/firewalld/firewalld/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
@@ -404,6 +404,9 @@ fi
 %{_mandir}/man1/firewall-config*.1*
 
 %changelog
+* Fri Feb 09 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.5.1-2
+- Escape macros in %%changelog
+
 * Wed Feb 07 2018 Eric Garver <egarver@redhat.com> - 0.5.1-1
 - rebase package to v0.5.1
 
@@ -618,7 +621,7 @@ fi
 - tests: firewalld_direct: Fix assert to check for True instead of False
 - tests: firewalld_config: Fix expected value when querying the zone target
 - tests: firewalld_config: Use real nf_conntrack modules
-- firewalld.spec: Added comment about make call for %build
+- firewalld.spec: Added comment about make call for %%build
 - firewall-config: Use also width_request and height_request with default size
 - Updated firewall-config screenshot
 - firewall-cmd: Fixed typo in help output (RHBZ#1367171)
@@ -1414,7 +1417,7 @@ fi
 - firewall-cmd.1: better clarify where to find ACTIONs
 - firewall-cmd Bash completion
 - firewall-cmd.1: comment --zone=<zone> usage and move some options
-- Use zone's target only in %s_ZONES chains
+- Use zone's target only in %%s_ZONES chains
 - default zone in firewalld.conf was set to public with every restart (#902845)
 - man page cleanup
 - code cleanup