BUILD: fix dependencies between config and compat.h

compat.h only depends on the system, and config needs compat, not the
opposite. global.h was fixed to explicitly include standard.h for LONGBITS.

include/common/compat.h

@@ -27,8 +27,6 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
-#include <common/config.h>
-#include <common/standard.h>
 
 #ifndef BITS_PER_INT
 #define BITS_PER_INT    (8*sizeof(int))

include/common/config.h

@@ -23,6 +23,7 @@
 #define _COMMON_CONFIG_H
 
 #include <common/compiler.h>
+#include <common/compat.h>
 #include <common/defaults.h>
 
 /* this reduces the number of calls to select() by choosing appropriate

include/types/global.h

@@ -25,6 +25,7 @@
 #include <netinet/in.h>
 
 #include <common/config.h>
+#include <common/standard.h>
 #include <types/freq_ctr.h>
 #include <types/listener.h>
 #include <types/proxy.h>