gdb_osabi in defs.h and array of osabi strings in osabi.c must be
synchronized otherwise gdb fails with internal error on start as it
detects that the array and enumeration have diverged.
Fixes importError:
Traceback (most recent call last):
File "<string>", line 3, in <module>
ImportError: No module named libstdcxx.v6.printers
/etc/gdbinit:6: Error in sourced command file:
Error while executing Python code.
* upgrade some broken packages
* correct some broken urls/checksums
* use secure urls where possible
* use stable url for ncurses
* some whitespace fixes
Remaining md5sums either didn't download or
didn't pass checksum tests.
