Makefile.in: Fix bug for ckpt_dmtcp1_test.dmtcp


git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2580 ba6dc0ae-232f-0410-883f-9ebac64fc565
Imrovements for readdmtcp.sh


git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2581 ba6dc0ae-232f-0410-883f-9ebac64fc565
Fix gdb-add-libdmtcp-symbol-file.py, post-DMTCP-2.1


git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2582 ba6dc0ae-232f-0410-883f-9ebac64fc565