sockets: Remove statfs and 2nd stat from dump process

The statfs is not required, we now check for fd being a socket with S_IFSOCK.
The 2nd stat is just not needed, the caller provides stat info.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/files.h

@@ -7,6 +7,16 @@
 #include "list.h"
 #include "image.h"
 
+struct fd_parms {
+	unsigned long	fd_name;
+	unsigned long	pos;
+	unsigned int	flags;
+	unsigned int	type;
+	struct stat	stat;
+	u32		id;
+	pid_t		pid;
+};
+
 enum fdinfo_states {
 	FD_STATE_PREP,		/* Create unix sockets */
 	FD_STATE_CREATE,	/* Create and send fd */