gdbsupport: re-generate Makefile.in

It looks like after doing last minute changes to Makefile.am in commit
06b3c5bdb ("gdbsupport: rename source files to .cc"), I forgot to
re-generate Makefile.in.  This patch fixes it.

gdbsupport/ChangeLog:

	* Makefile.in: Re-generate.
2 files changed