[win32] integrate winansi.

p4raw-id: //depot/win32/perl@328

diff --cc perl.h
index e68ecf6,150a9d8..a13fabf
--- 1/perl.h
--- 2/perl.h
+++ b/perl.h
@@@ -1359,6 -1359,6 +1359,14 @@@ typedef Sighandler_t Sigsave_t
  #  define MALLOC_TERM
  #endif
  
++#ifdef MYMALLOC
++#  define MALLOC_INIT MUTEX_INIT(&malloc_mutex)
++#  define MALLOC_TERM MUTEX_DESTROY(&malloc_mutex)
++#else
++#  define MALLOC_INIT
++#  define MALLOC_TERM
++#endif
++
  /*
   * These need prototyping here because <proto.h> isn't
   * included until after runops is initialised.