Fix a simple unicode issue in CVS.
Fix a simple unicode issue in CVS.

I noticed some unicode warnings in the CVS backend while running the SCMTools
unit tests. This fixes thim.

Reviewed at https://reviews.reviewboard.org/r/6051/

brennie/reviewboard,bkochendorfer/reviewboard,reviewboard/reviewboard,sgallagher/reviewboard,reviewboard/reviewboard,beol/reviewboard,reviewboard/reviewboard,1tush/reviewboard,chipx86/reviewboard,beol/reviewboard,chipx86/reviewboard,bkochendorfer/reviewboard,1tush/reviewboard,1tush/reviewboard,KnowNo/reviewboard,custode/reviewboard,KnowNo/reviewboard,custode/reviewboard,1tush/reviewboard,brennie/reviewboard,beol/reviewboard,1tush/reviewboard,KnowNo/reviewboard,bkochendorfer/reviewboard,brennie/reviewboard,KnowNo/reviewboard,1tush/reviewboard,davidt/reviewboard,chipx86/reviewboard,1tush/reviewboard,custode/reviewboard,sgallagher/reviewboard,sgallagher/reviewboard,davidt/reviewboard,bkochendorfer/reviewboard,davidt/reviewboard,brennie/reviewboard,davidt/reviewboard,chipx86/reviewboard,reviewboard/reviewboard,sgallagher/reviewboard,1tush/reviewboard,custode/reviewboard,1tush/reviewboard,beol/reviewboard