getopt: Add pr_fmt
To give the debug output more context.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent ced41d8 commit fda189dbf829d40a6f30f7877db1a094c2886045
@Sascha Hauer Sascha Hauer authored on 27 Nov 2018
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lib/getopt.c