cleanup headers and especially #includes everywhere

Beside being a bit cleaner it hopefully also resolves oddball problems
I have with high levels of parallel jobs.

Git-Dch: Ignore
Reported-By: iwyu (include-what-you-use)

1 files changed, 16 insertions, 2 deletions

diff --git a/apt-private/private-install.h b/apt-private/private-install.h
index 2187146d3..79769d470 100644
--- a/apt-private/private-install.h
+++ b/apt-private/private-install.h
@@ -1,15 +1,29 @@
 #ifndef APT_PRIVATE_INSTALL_H
 #define APT_PRIVATE_INSTALL_H
 
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/cacheset.h>
-#include <apt-pkg/cmndline.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/algorithms.h>
+
+#include <stddef.h>
+#include <iosfwd>
+#include <list>
+#include <map>
+#include <string>
+#include <utility>
 
-#include "private-cachefile.h"
 #include "private-output.h"
 
 #include <apti18n.h>
 
+class CacheFile;
+class CommandLine;
+
 #define RAMFS_MAGIC     0x858458f6
 
 bool DoInstall(CommandLine &Cmd);