Use #include <foo.h> instead of #include "foo.h" in most cases.

We rely on the include path to find many of these headers.  It
especially doesn't make sense to use #include "foo.h" for headers
in the top-level include directory.

lib/util/mmap_alloc.c

@@ -36,8 +36,8 @@
 # include <inttypes.h>
 #endif
 
-#include "sudo_compat.h"
-#include "sudo_util.h"
+#include <sudo_compat.h>
+#include <sudo_util.h>
 
 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 # define MAP_ANON MAP_ANONYMOUS