graphic_utils: Fix freeing uninitialzed pointer in fb_open()
In fb_open() when fb_create_screen() fails then sc contains an
error pointer which is then freed in the failure path. Fix this.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 6d25da9 commit 020d19ddc5beb6385220e4492f856e6db3fb6187
@Sascha Hauer Sascha Hauer authored on 19 Oct 2017
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lib/gui/graphic_utils.c