gdb: install expanded_symbols_functions into objfiles created by JIT reader

This commit installs expanded_symbols_functions into objfiles created by
JIT reader API. This is needed so the JIT symbols can be used just like
any other symbols.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=33554
Approved-By: Tom Tromey <tom@tromey.com>
1 file changed