Honor INCLUDE_FILES when performing svn diff

Review Request #5721 — Created April 18, 2014 and discarded — Latest diff uploaded

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RBTools

Reviewers

Currently, the -I INCLUDE_FILES arguments are forgotten when performing rbt diff in an SVN repository, and the diff generated includes all modified files. Originally reported at: https://groups.google.com/d/msg/reviewboard/ATWLrhKXxSQ/9y-uCcJRSpEJ

Generated some local diffs, tested with directory and file arguments of varying number. Seems to work now the way it used to on 0.5.6, generating diffs including only the specified files.