Fix missing BuildRequire on gcc/gcc-c++

alsa-tools.spec

@@ -25,7 +25,7 @@
 Summary:        Specialist tools for ALSA
 Name:           alsa-tools
 Version:        1.1.5
-Release:        2%{?dist}
+Release:        3%{?dist}
 
 # Checked at least one source file from all the sub-projects contained in
 # the source tarball and they are consistent GPLv2+ - TJ 2007-11-15
@@ -47,6 +47,7 @@ Source6:        hwmixvolume.png
 Source7:        hwmixvolume.desktop
 Source9:        hdajackretask.desktop
 
+BuildRequires:  gcc gcc-c++
 BuildRequires:  alsa-lib-devel >= %{version}
 %if 0%{!?_without_tools:1}
 BuildRequires:  gtk+-devel
@@ -235,6 +236,9 @@ install -m 644 %{SOURCE5} %{buildroot}/lib/udev/rules.d
 %endif
 
 %changelog
+* Thu Feb 22 2018 Tim Jackson <rpm@timj.co.uk> - 1.1.5-3
+- Add missing BuildRequire on gcc
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild