Note that to use this for full effect, varnishd should be installed
unstripped.

r4058:
Also remember compat execinfo.h file.

r4059:
Tell autocrap about compat/execinfo.h

r4060:
Attempt to add a stack backtrace to the panic message.

r4061:
Spit out more information on panic

r4062:
Autocrap the dladdr() functions existence.

r4063:
More autocrappery.

r4064:
Comment out unneeded function.

r4065:
Pass a void* to Symbol_Lookup() to avoid stdint requirement on
common.h



git-svn-id: http://www.varnish-cache.org/svn/branches/2.0@4256 d4fa192b-c00b-0410-8231-f00ffab90ce4