libc/mingw: replace mingw32 with generic mingw

Replace the 32-bit-only mingw32 with mingw-w64 that is capable
of building toolchains for both 32-bit and 64-bit Windows.

kernel/mingw: replace mingw32 with generic Windows
kernel/windows: New windows kernel supporting 32 and 64 bit arch
libc/mingw: Remove old options
patches: Remove old mingw libc options' patches

Signed-off-by: "Yann Diorcet" <diorcet.yann@gmail.com>
[yann.morin.1998@free.fr: array var in libc/mingw.sh, typos]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <b045ac08fc9eac2e5ee3.1352898499@blackmint>
Patchwork-Id: 198901

diff -durN glibc-2.12.1.orig/elf/dl-lookup.c glibc-2.12.1/elf/dl-lookup.c

--- glibc-2.12.1.orig/elf/dl-lookup.c	2009-03-30 23:14:32.000000000 +0200

+++ glibc-2.12.1/elf/dl-lookup.c	2009-11-13 00:51:36.000000000 +0100

@@ -301,6 +301,12 @@

 	      /* FALLTHROUGH */

 	    case STB_GLOBAL:

	    success:

+#ifdef __mips__

+	      /* HACK: MIPS marks its lazy evaluation stubs with SHN_UNDEF

+		 symbols, we skip them. */

+	      if (sym->st_shndx == SHN_UNDEF)

+		break;

+#endif

 	      /* Global definition.  Just what we need.  */

 	      result->s = sym;

 	      result->m = (struct link_map *) map;