fixed FTBFS

ctags.spec

@@ -1,7 +1,7 @@
 Summary: A C programming language indexing and/or cross-reference tool
 Name: ctags
 Version: 5.8
-Release: 23%{?dist}
+Release: 24%{?dist}
 License: GPLv2+ and LGPLv2+ and Public Domain
 Group: Development/Tools
 URL: http://ctags.sourceforge.net/
@@ -14,7 +14,7 @@ Patch4: ctags-5.8-cssparse.patch
 Patch5: ctags-5.8-memmove.patch
 Patch6: ctags-5.8-format-security.patch
 Patch7: ctags-CVE-2014-7204.patch
-Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+BuildRequires: gcc
 
 %description
 Ctags generates an index (or tag) file of C language objects found in
@@ -93,6 +93,9 @@ popd
 %{_mandir}/man1/etags.%{name}.1*
 
 %changelog
+* Mon Jul 23 2018 Than Ngo <than@redhat.com> - 5.8-24
+- fixed FTBFS
+
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 5.8-23
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild