Improve system call support on NT

- Improve i/o perf on New Technology
- Code cleanup on read() for New Technology
- Fix bad bug with dup() of socket on New Technology
- Clean up some more strace errors on New Technology

libc/nt/kernel32/CreateDirectoryW.s

@@ -2,11 +2,11 @@
 .imp	kernel32,__imp_CreateDirectoryW,CreateDirectoryW,0
 
 	.text.windows
-CreateDirectory:
+__CreateDirectory:
 	push	%rbp
 	mov	%rsp,%rbp
 	.profilable
 	mov	__imp_CreateDirectoryW(%rip),%rax
 	jmp	__sysv2nt
-	.endfn	CreateDirectory,globl
+	.endfn	__CreateDirectory,globl
 	.previous

libc/nt/kernel32/CreateProcessW.s

@@ -2,11 +2,11 @@
 .imp	kernel32,__imp_CreateProcessW,CreateProcessW,0
 
 	.text.windows
-CreateProcess:
+__CreateProcess:
 	push	%rbp
 	mov	%rsp,%rbp
 	.profilable
 	mov	__imp_CreateProcessW(%rip),%rax
 	jmp	__sysv2nt10
-	.endfn	CreateProcess,globl
+	.endfn	__CreateProcess,globl
 	.previous

libc/nt/kernel32/DeviceIoControl.s

@@ -2,11 +2,11 @@
 .imp	kernel32,__imp_DeviceIoControl,DeviceIoControl,0
 
 	.text.windows
-DeviceIoControl:
+__DeviceIoControl:
 	push	%rbp
 	mov	%rsp,%rbp
 	.profilable
 	mov	__imp_DeviceIoControl(%rip),%rax
 	jmp	__sysv2nt8
-	.endfn	DeviceIoControl,globl
+	.endfn	__DeviceIoControl,globl
 	.previous

libc/nt/kernel32/GetFileAttributesW.s

@@ -2,7 +2,7 @@
 .imp	kernel32,__imp_GetFileAttributesW,GetFileAttributesW,0
 
 	.text.windows
-GetFileAttributes:
+__GetFileAttributes:
 	push	%rbp
 	mov	%rsp,%rbp
 	.profilable
@@ -11,5 +11,5 @@ GetFileAttributes:
 	call	*__imp_GetFileAttributesW(%rip)
 	leave
 	ret
-	.endfn	GetFileAttributes,globl
+	.endfn	__GetFileAttributes,globl
 	.previous