[parrot/parrot] d74d1f: [cage] fix some -Wuseless-cast

[GitHub]

  Branch: refs/heads/smoke-me/attributes-gh1163
  Home:   https://github.com/parrot/parrot
  Commit: d74d1ffef42f8eea121c1e2c81a1f953e49d8a75
      https://github.com/parrot/parrot/commit/d74d1ffef42f8eea121c1e2c81a1f953e49d8a75
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-02 (Fri, 02 Jan 2015)

  Changed paths:
    M compilers/imcc/cfg.c
    M compilers/imcc/imcc.l
    M compilers/imcc/pbc.c
    M compilers/imcc/reg_alloc.c
    M include/parrot/pobj.h
    M src/debug.c
    M src/dynoplibs/math.ops
    M src/dynpmc/rational.pmc
    M src/gc/alloc_memory.c
    M src/gc/alloc_resources.c
    M src/gc/gc_gms.c
    M src/gc/gc_private.h
    M src/io/buffer.c
    M src/packfile/pf_items.c
    M src/packfile/segments.c
    M src/runcore/main.c
    M src/runcore/profiling.c
    M src/runcore/subprof.c
    M src/string/api.c
    M src/string/encoding/utf16.c
    M src/string/spf_render.c
    M src/string/spf_vtable.c

  Log Message:
  -----------
  [cage] fix some -Wuseless-cast

improves code quality