state: use STATE_INIT and separate inputs to decide on anchor.

This is conceptually cleaner, especially since it means we're running
a command until we're set up (which prevents other commands, so no
special case needed).

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

state_types.h

@@ -12,8 +12,7 @@
 #define STATE_CLOSE_SPENDOURS_BIT 32
 
 enum state {
-	STATE_INIT_NOANCHOR,
-	STATE_INIT_WITHANCHOR,
+	STATE_INIT,
 
 	/*
 	 * Opening.
@@ -268,6 +267,8 @@ enum state_input {
 	INPUT_RVALUE,
 
 	/* Commands */
+	CMD_OPEN_WITH_ANCHOR,
+	CMD_OPEN_WITHOUT_ANCHOR,
 	CMD_SEND_HTLC_UPDATE,
 	CMD_SEND_HTLC_FULFILL,
 	CMD_SEND_HTLC_TIMEDOUT,