export LANG="C" rather than export LANG="c"

export LANG="C" rather than  export LANG="c"

opnfv@linux-r4ap:~$ export LANG="C"
opnfv@linux-r4ap:~$ perl -E exit
opnfv@linux-r4ap:~$ export LANG="c"
opnfv@linux-r4ap:~$ perl -E exit
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_US.UTF-8",
        LC_ALL = "",
        LANG = "c"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").

paste of deploy failing: https://hastebin.com/fufananewa.sql

Change-Id: Id1ef2430887251044700e03fc1f294ad18adf90a
Signed-off-by: agardner <agardner@linuxfoundation.org>