Use #include "..." for our own headers, <...> for others

Tracked down with an ugly, brittle and probably buggy Perl script.

Also move includes converted to <...> up so they get included before
ours where that's obviously okay.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
diff --git a/util/mmap-alloc.c b/util/mmap-alloc.c
index 629d97a..5a85aa3 100644
--- a/util/mmap-alloc.c
+++ b/util/mmap-alloc.c
@@ -9,8 +9,9 @@
  * This work is licensed under the terms of the GNU GPL, version 2 or
  * later.  See the COPYING file in the top-level directory.
  */
+
 #include "qemu/osdep.h"
-#include <qemu/mmap-alloc.h>
+#include "qemu/mmap-alloc.h"
 
 #define HUGETLBFS_MAGIC       0x958458f6