update python2 macro

mosquitto.spec

@@ -57,7 +57,7 @@ export LDFLAGS="%{optflags} %{__global_ldflags} -Wl,--as-needed"
 make all %{?_smp_mflags}
 
 pushd lib/python
-%{__python} setup.py build
+%{__python2} setup.py build
 
 %install
 %if "%{_lib}" == "lib64"
@@ -66,7 +66,7 @@ export LIB_SUFFIX=64
 %make_install
 
 pushd lib/python
-%{__python} setup.py install --skip-build --root $RPM_BUILD_ROOT
+%{__python2} setup.py install --skip-build --root $RPM_BUILD_ROOT
 popd
 
 cat > mosquitto.service << FOE