fix dependency

pdfautonup/pdfautonup.spec

@@ -82,13 +82,13 @@ PreReq:       OpenPKG, openpkg >= 20160101, python
 %install
     export PYTHONPATH=$RPM_BUILD_ROOT%{l_prefix}/lib/python%{V_python}/site-packages
     ( cd PyPDF2-%{V_pypdf2}
-      %{l_prefix}/bin/python3 \
+      %{l_prefix}/bin/python \
           setup.py install \
           --root=$RPM_BUILD_ROOT \
           --prefix=%{l_prefix}
     ) || exit $?
     ( cd papersize-%{V_papersize}
-      %{l_prefix}/bin/python3 \
+      %{l_prefix}/bin/python \
           setup.py install \
           --root=$RPM_BUILD_ROOT \
           --prefix=%{l_prefix}
@@ -96,7 +96,7 @@ PreReq:       OpenPKG, openpkg >= 20160101, python
     ( cd pdfautonup-%{V_pdfautonup}
       %{l_shtool} subst %{l_value -s -a} \
           bin/pdfautonup
-      %{l_prefix}/bin/python3 setup.py install \
+      %{l_prefix}/bin/python setup.py install \
           --root=$RPM_BUILD_ROOT \
           --prefix=%{l_prefix}
     ) || exit $?