binutils: fix CVE-2025-11081

binutils: fix CVE-2025-11081

CVE: CVE-2025-11081

Trying to dump .sframe in a PE file results in a segfault accessing
elf_section_data.

	* objdump (dump_sframe_section, dump_dwarf_section): Don't access
	elf_section_type without first checking the file is ELF.

PR 33406 SEGV in dump_dwarf_section
[https://sourceware.org/bugzilla/show_bug.cgi?id=33406]

Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=f87a66db645caf8cc0e6fc87b0c28c78a38af59b]

Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>