Merge pull request #202 from eddyszucs/patch-1

Update README.md to add missing option

Author: kenyon

CONTRIBUTORS

@@ -18,3 +18,4 @@ Robin Bowes
 Siebrand Mazeland
 Tim Sharpe
 ncsutmf
+Eduard Szucs

README.md

@@ -128,6 +128,8 @@ shredcycles     - The Integer number of times shred should overwrite log files
                   before unlinking them (optional).
 start           - The Integer number to be used as the base for the extensions
                   appended to the rotated log files (optional).
+su              - A Boolean specifying whether logrotate should rotate under
+                  the specific su_owner and su_group instead of the default (optional).
 su_user         - A username String that logrotate should use to rotate a
                   log file set instead of using the default if
                   su => true (optional).