Update mod.rs

Author: HaydnTrigg

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

@@ -344,6 +344,9 @@ impl Arch for ArchPpc {
             },
             RelocationFlags::Coff(r_type) => match r_type {
                 pe::IMAGE_REL_PPC_ADDR32 => 4,
+                pe::IMAGE_REL_PPC_REFHI => 2,
+                pe::IMAGE_REL_PPC_REFLO => 2,
+                pe::IMAGE_REL_PPC_REL24 => 3,
                 _ => 1,
             },
         }