load_environment_var: Strip double quotes
load_environment_var: Strip double quotes

To allow double quoted values to be processed correctly.

Signed-off-by: Geoff Levand <c3918f39022407dee6a0056ceca9b1aa80e8e4ce@infradead.org>

glevand/coreos--scripts,coreos/scripts,glevand/coreos--scripts,coreos/scripts