FPDebug: fixes 

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43379 4005530d-fff6-0310-9dd1-cebe43e6787f
Debugger: fix internal type for gdb request (eval vs ptype)

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43380 4005530d-fff6-0310-9dd1-cebe43e6787f
Debugger: taborder for watch-properties

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43381 4005530d-fff6-0310-9dd1-cebe43e6787f