git: porting_drivers.txt: Reword the part about SVN IDs a bit.

[Sascha Wildner]

commit efb850f95eef10f696b370ff85c534eea6173b37
Author: Sascha Wildner <saw at online.de>
Date:   Sat Aug 10 11:26:21 2013 +0200

    porting_drivers.txt: Reword the part about SVN IDs a bit.

Summary of changes:
 doc/porting_drivers.txt | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/efb850f95eef10f696b370ff85c534eea6173b37


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