[PATCH] svn diff --summarize changed to show left and right revision numbers

Dear Patch Manager,   i would like to submit the attached patch. When comparing tags/branches with trunk it is very useful to see which branch has actually been modified. The original implementation shows always the left side of the comparison as modified. The above patch displays at least the left and right revision numbers so that is easier to localize changes in the repository.   I hope you will find this contribution as useful.   With kind regards,   Peter Nagy (from Budapest)