[win32] Initial reverse integration of winansi branch.

p4raw-id: //depot/win32/perl@285

diff --cc op.c
index d7a6fe4,029aac8..2d9706b
--- 1/op.c
--- 2/op.c
+++ b/op.c
@@@ -531,10 -531,9 +531,9 @@@ find_threadsv(char *name
        case '\'':
            sawampersand = TRUE;
            SvREADONLY_on(sv);
-           sv_magic(sv, 0, 0, name, 1); 
-           break;
++          /* FALL THROUGH */
        default:
            sv_magic(sv, 0, 0, name, 1); 
 -          break;
        }
        DEBUG_L(PerlIO_printf(PerlIO_stderr(),
                              "find_threadsv: new SV %p for $%s%c\n",