spec: added hook to install init for lib64

ligo-common.spec

@@ -58,7 +58,13 @@ Empty module placeholder for other LIGO modules
 
 %install
 %py2_install
+mkdir -p %{buildroot}/%{python2_sitearch}/ligo/
+cp %{buildroot}/%{python2_sitelib}/ligo/__init__.py \
+   %{buildroot}/%{python2_sitearch}/ligo/__init__.py
 %py3_install
+mkdir -p %{buildroot}/%{python3_sitearch}/ligo/
+cp %{buildroot}/%{python3_sitelib}/ligo/__init__.py \
+   %{buildroot}/%{python3_sitearch}/ligo/__init__.py
 
 %clean
 rm -rf $RPM_BUILD_ROOT
@@ -66,10 +72,12 @@ rm -rf $RPM_BUILD_ROOT
 %files -n python2-%{name}
 %license LICENSE
 %{python2_sitelib}/*
+%{python2_sitearch}/*
 
 %files -n python%{python3_pkgversion}-%{name}
 %license LICENSE
 %{python3_sitelib}/*
+%{python3_sitearch}/*
 
 # -- changelog