Add gcc BR

dtc.spec

@@ -1,6 +1,6 @@
 Name:          dtc
 Version:       1.4.6
-Release:       3%{?dist}
+Release:       4%{?dist}
 Summary:       Device Tree Compiler
 License:       GPLv2+
 URL:           https://devicetree.org/
@@ -8,6 +8,7 @@ URL:           https://devicetree.org/
 Source:        https://ftp.kernel.org/pub/software/utils/%{name}/%{name}-%{version}.tar.xz
 Patch1:        use-tx-as-the-type-specifier-instead-of-zx.patch
 
+BuildRequires: gcc make
 BuildRequires: flex bison swig
 BuildRequires: python2-devel python2-setuptools
 
@@ -78,6 +79,9 @@ rm -f $RPM_BUILD_ROOT/%{_bindir}/ftdump
 %{python_sitearch}/*
 
 %changelog
+* Wed Mar  7 2018 Peter Robinson <pbrobinson@fedoraproject.org> 1.4.6-4
+- Add gcc BR
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.6-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild