[PATCH 1/3] Make get_compiler_info accept "f77" and "f90" as well as "c++"

[Tom Tromey]

Gary> gdb/testsuite/ChangeLog:

Gary> 	* lib/gdb.exp (gdb_compile): Add additional_flags=-cpp
Gary> 	when getting compiler info for Fortran sources.

This looks good to me.  Thank you.

Tom