PR#4930: fix for PR#4841 was not propagated to PowerPC code emitter

git-svn-id: http://caml.inria.fr/svn/ocaml/version/3.11@9426 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

Changes

@@ -6,7 +6,7 @@ Bug fixes:
 - PR#4813: issue with parsing of float literals by the GNU assembler
 - PR#4818: missed opportunity for type-based optimization of bigarray accesses
 - PR#4836: spurious errors raised by Unix.single_write under Windows
-- PR#4841, PR#4860: problem with ocamlopt -output-obj under Mac OS X
+- PR#4930, PR#4841, PR#4860: problem with ocamlopt -output-obj under Mac OS X
 - PR#4847: C compiler error with ocamlc -output-obj under Win64
 - PR#4900: small bug triggering automatic compaction even if max_overhead = 1M
 - PR#4902: bug in %.0F printf format