Unirec output: use required binary name instead of python2-docutils package in spec file

Author: Lukas955

extra_plugins/output/unirec/ipfixcol2-unirec-output.spec.in

@@ -12,7 +12,7 @@ Packager:
 
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}
 BuildRequires:  gcc >= 4.8, cmake >= 2.8.8, make
-BuildRequires:  ipfixcol2-devel, libfds-devel, python2-docutils
+BuildRequires:  ipfixcol2-devel, libfds-devel, /usr/bin/rst2man
 BuildRequires:  libtrap-devel, unirec >= 2.3.0
 Requires:       libtrap >= 0.12.0, ipfixcol2 >= 2.0.0, libfds >= 0.1.0