crashrep and backtrace on sparc linux

[Jim Watson <jim@amarooas.com.au>]

OOo issue  is #18052

crashrep works nicely on sparc linux, but there is no backtrace yet and the 
files do not persist in /tmp.

i am seeking help from someone who could do the c code which i think is 
required in sal/osl/unx/backtrace.c as this is beyond my ability :(

also i would appreciate advice how to stop the error reporter sending emails 
to sun, i got a very polite reply from quality_feedback_NOSPAM@sun.com but i 
assume they do not wish to receive for sparc linux, ...yet?