one more compiler warning

[Neil Spring <nspring () cs washington edu>]

though this is easy to reproduce...

I show just two warnings when building on linux, one having to do with 
passing a const char pointer to openssl (I assume openssl is in the 
wrong) and the other is simple:

gcc -g -O2 -Wall -Wmissing-prototypes -Wstrict-prototypes 
-Wwrite-strings -W -Wall -Wwrite-strings -W -Wno-unused 
-Wno-sign-compare -DHAVE_CONFIG_H -I. -I./../libpcap  -I./missing 
-I/usr//include -c ./print-pppoe.c
./print-pppoe.c: In function `pppoe_print':
./print-pppoe.c:199: warning: `0' flag ignored with precision specifier 
and `X' format

I can see what you're trying to do (use the precision to be sure about 
the number of characters printed, like it works for "%.5s"), but I 
can't find how to do it in the man page...  "%02X", "%02.2X" and 
"%2.2X" seem to be equivalent.

thanks,
-neil

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