CLEANUP: include: tree-wide alphabetical sort of include files

This patch fixes all the leftovers from the include cleanup campaign. There
were not that many (~400 entries in ~150 files) but it was definitely worth
doing it as it revealed a few duplicates.
diff --git a/contrib/mod_defender/defender.c b/contrib/mod_defender/defender.c
index 5e759b5..e798a22 100644
--- a/contrib/mod_defender/defender.c
+++ b/contrib/mod_defender/defender.c
@@ -19,10 +19,10 @@
 #include <stdarg.h>
 
 #include <haproxy/api.h>
-#include <haproxy/tools.h>
 #include <haproxy/chunk.h>
 #include <haproxy/spoe.h>
 #include <haproxy/time.h>
+#include <haproxy/tools.h>
 
 #include <http_core.h>
 #include <http_main.h>