Fixed an oversight of yesterday's restructuring:

* FDCloser is private, so it should live in BPackageKit::BHPKG::BPrivate
* adjusted 'package' binary to no longer use FDCloser (trivial)
* minor cleanup in command_extract.cpp

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40329 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/package/hpkg/FDCloser.h

@@ -2,14 +2,16 @@
  * Copyright 2009, Ingo Weinhold, [email protected].
  * Distributed under the terms of the MIT License.
  */
-#ifndef _PACKAGE__HPKG__FD_CLOSER_H_
-#define _PACKAGE__HPKG__FD_CLOSER_H_
+#ifndef _PACKAGE__HPKG__PRIVATE__FD_CLOSER_H_
+#define _PACKAGE__HPKG__PRIVATE__FD_CLOSER_H_
 
 
 namespace BPackageKit {
 
 namespace BHPKG {
 
+namespace BPrivate {
+
 
 struct FDCloser {
 	FDCloser(int fd)
@@ -29,9 +31,11 @@ private:
 };
 
 
+}	// namespace BPrivate
+
 }	// namespace BHPKG
 
 }	// namespace BPackageKit
 
 
-#endif	// _PACKAGE__HPKG__FD_CLOSER_H_
+#endif	// _PACKAGE__HPKG__PRIVATE__FD_CLOSER_H_