[PING] ada/35050: Fix xref "Ref:" information for function renaming

[Samuel Tardieu]

>>>>> "Sam" == Samuel Tardieu <sam@rfc1149.net> writes:

Sam> gnatxref didn't expect an ALI line with a renaming information
Sam> followed by a return type. As a consequence, only procedure
Sam> renamings could be present in "Ref:" output while function
Sam> renamings couldn't.

Sam> This patch moves the parsing (and ignoring) of renaming
Sam> information before the parsing of the return type.

http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01239.html