datapath: use const in some local vars and casts
authorDaniele Di Proietto <daniele.di.proietto@gmail.com>
Thu, 23 Jan 2014 16:19:29 +0000 (17:19 +0100)
committerJesse Gross <jesse@nicira.com>
Thu, 23 Jan 2014 18:42:41 +0000 (10:42 -0800)
In few functions, const formal parameters are assigned or cast to
non-const.
These changes suppress warnings if compiled with -Wcast-qual.

Signed-off-by: Daniele Di Proietto <daniele.di.proietto@gmail.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>

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