Update test snapshots for new cwextab

Author: encounter

objdiff-core/tests/snapshots/arch_ppc__read_extab.snap

@@ -69,19 +69,19 @@ Object {
                                 action_param: 0,
                                 has_end_bit: true,
                                 bytes: [
-                                    0,
-                                    8,
+                                    130,
                                     0,
                                     0,
+                                    8,
                                     0,
                                     0,
                                 ],
                             },
                         ],
                         relocations: [
                             Relocation {
-                                offset: 20,
-                                address: 0,
+                                offset: 18,
+                                address: 524288,
                             },
                         ],
                     },