From: Antonio Ospite <ospite@studenti.unina.it>
Date: Sun, 26 May 2013 22:05:00 +0000 (+0200)
Subject: examples: print the usage message when a required option is missing
X-Git-Tag: v0.1.4~30
X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/74c1a41d0765df9716732ac053df9ed7f24f38f0?hp=74c1a41d0765df9716732ac053df9ed7f24f38f0

examples: print the usage message when a required option is missing

While at it specify which option is missing when picoproj fails..
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