leakview: parse gdb line #decimal hex in mangledidentifier

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44998 4005530d-fff6-0310-9dd1-cebe43e6787f
leakview: jump to column

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44999 4005530d-fff6-0310-9dd1-cebe43e6787f
cody: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45000 4005530d-fff6-0310-9dd1-cebe43e6787f