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.

plugins/sudoers/ldap_conf.c

@@ -45,10 +45,10 @@
 # include <mps/ldap_ssl.h>
 #endif
 
-#include "sudoers.h"
-#include "sudo_lbuf.h"
-#include "sudo_ldap.h"
-#include "sudo_ldap_conf.h"
+#include <sudoers.h>
+#include <sudo_lbuf.h>
+#include <sudo_ldap.h>
+#include <sudo_ldap_conf.h>
 
 /* Older Netscape LDAP SDKs don't prototype ldapssl_set_strength() */
 #if defined(HAVE_LDAPSSL_SET_STRENGTH) && !defined(HAVE_LDAP_SSL_H) && !defined(HAVE_MPS_LDAP_SSL_H)