distro-sync: Print better info message when no match

Print better error message when the package specified in the argument is installed but is not available in the currently enabled repositories.

Resolves: https://issues.redhat.com/browse/RHEL-7018

dnf/base.py

@@ -2257,7 +2257,7 @@ def distro_sync(self, pkg_spec=None):
             sltrs = subject._get_best_selectors(self, solution=solution,
                                                 obsoletes=self.conf.obsoletes, reports=True)
             if not sltrs:
-                logger.info(_('No package %s installed.'), pkg_spec)
+                logger.info(_('No match for argument: %s'), pkg_spec)
                 return 0
             for sltr in sltrs:
                 self._goal.distupgrade(select=sltr)