Patch for addr2line to add one line printing

[reinhard.jessich@telering.at]

I needed a tool to convert the addresses of a stack backtrace to function names.
addr2line is the right tool to do this, but the output is not optimal for a
backtrace.

I added an option (-o) to print the result in one line. Then I found this could
be usefull for others, too.

Attached is a patch, which adds the -o option.

Best Regards,
    Reinhard

PS: If someone likes to reply, I am not on the list.
      Please mail it directly to me.

-- 
 Ing. Reinhard Jessich              mailto: reinhard.jessich@telering.at
 A-1190 Vienna, Goergengasse 2/2/1  phone: +43/1/3692600
 http://members.telering.at/jessich mobile: +43/664/1735439
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