nil check error before type assertion follow-up from #2341 #2368
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Signed-off-by: Steve Coffman <steve@khanacademy.org>
Signed-off-by: Steve Coffman <steve@khanacademy.org>
StevenACoffman
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In #2341 I hastily type asserted from the error interface to the
*gqlerror.Errorbut I didn't first check for nil, and other people usingerrcode.Setin other places could have tripped on the loaded footgun I left lying around.Signed-off-by: Steve Coffman steve@khanacademy.org