Fix "invalid suffix on literal; C++11 requires a space between literal and...

Fix "invalid suffix on literal; C++11 requires a space between literal and identifier" errors as reported by http://code.google.com/p/gflags/issues/detail?id=54.

git-svn-id: https://gflags.googlecode.com/svn/trunk@77 6586e3c6-dcc4-952a-343f-ff74eb82781d