Makefile: make check-includes check all the non-generated files.

Note that check-whitespace and check-bolt already do this, so we
can eliminate redundant lines in common/Makefile and bitcoin/Makefile.

We also include the plugin headers in ALL_C_HEADERS so they get
checked.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

devtools/blindedpath.c

@@ -15,8 +15,8 @@
 #include <common/version.h>
 #include <secp256k1.h>
 #include <secp256k1_ecdh.h>
-#include <sodium/crypto_auth_hmacsha256.h>
 #include <sodium/crypto_aead_chacha20poly1305.h>
+#include <sodium/crypto_auth_hmacsha256.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>

devtools/decodemsg.c

@@ -6,11 +6,11 @@
 #include <stdio.h>
 #include <unistd.h>
 #if EXPERIMENTAL_FEATURES
-#include <wire/onion_exp_printgen.h>
-#include <wire/peer_exp_printgen.h>
+  #include <wire/onion_exp_printgen.h>
+  #include <wire/peer_exp_printgen.h>
 #else
-#include <wire/onion_printgen.h>
-#include <wire/peer_printgen.h>
+  #include <wire/onion_printgen.h>
+  #include <wire/peer_printgen.h>
 #endif
 
 int main(int argc, char *argv[])

devtools/dump-gossipstore.c

@@ -1,12 +1,12 @@
 #include <ccan/crc32c/crc32c.h>
 #include <ccan/err/err.h>
 #include <ccan/opt/opt.h>
+#include <common/gossip_store.h>
 #include <common/type_to_string.h>
 #include <common/utils.h>
 #include <fcntl.h>
-#include <common/gossip_store.h>
-#include <gossipd/gossipd_peerd_wiregen.h>
 #include <gossipd/gossip_store_wiregen.h>
+#include <gossipd/gossipd_peerd_wiregen.h>
 #include <inttypes.h>
 #include <stdio.h>
 #include <sys/stat.h>

devtools/gossipwith.c

@@ -42,7 +42,7 @@ static struct io_plan *simple_close(struct io_conn *conn)
 	return NULL;
 }
 
-#include "../connectd/handshake.c"
+  #include "../connectd/handshake.c"
 
 /* This makes the handshake prototypes work. */
 struct io_conn {

devtools/mkcommit.c

@@ -12,8 +12,8 @@
 #include <bitcoin/script.h>
 #include <bitcoin/tx.h>
 #include <ccan/cast/cast.h>
-#include <ccan/opt/opt.h>
 #include <ccan/err/err.h>
+#include <ccan/opt/opt.h>
 #include <ccan/str/hex/hex.h>
 #include <ccan/tal/str/str.h>
 #include <channeld/full_channel.h>

devtools/mkgossip.c

@@ -21,8 +21,8 @@
 #include <common/type_to_string.h>
 #include <common/utils.h>
 #include <inttypes.h>
-#include <wire/peer_wire.h>
 #include <stdio.h>
+#include <wire/peer_wire.h>
 
 static bool verbose = false;
 

devtools/mkquery.c

@@ -11,8 +11,8 @@
 #include <common/gossip_constants.h>
 #include <common/utils.h>
 #include <inttypes.h>
-#include <wire/peer_wire.h>
 #include <stdio.h>
+#include <wire/peer_wire.h>
 
 static void usage(void)
 {