PPC pooled relocations: Ignore hidden symbols

Author: LagoLunatic

objdiff-core/src/arch/ppc/mod.rs

@@ -635,6 +635,7 @@ fn make_fake_pool_reloc(
         target_symbol = symbols.iter().position(|s| {
             s.section == Some(section_index)
                 && s.size > 0
+                && !s.flags.contains(SymbolFlag::Hidden)
                 && (s.address..s.address + s.size).contains(&target_address)
         })?;
         addend = target_address.checked_sub(symbols[target_symbol].address)? as i64;