elf32_offscn.c: Do not match SHT_NOBITS sections at OFFSET.

readelf -d doesn't work if a SHT_NOBITS section is right before the actual
.dynamic section at the same offset. elflint also fails on such binaries.
So skip SHT_NOBITS sections at the same offset in [g]elf[32|64]_offscn().
7 files changed