environment: Only save changes to the defaultenv
Instead of storing the complete files with a 'saveenv' command
only store the files that have changes to the default environment.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent eb3ef18 commit 70e718baa1b2ae8e478df67397e759457acddcd4
@Sascha Hauer Sascha Hauer authored on 8 Oct 2014
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common/environment.c
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common/startup.c