initctl: add PID and IDENT to 'cond dump' command

Instead of just walking /run/finit/cond, also show the source of each
condition.  The hook and net conditions are hard-coded to init[1] atm.
and unknown conditions are shown as unknown[0].

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/finit.h

@@ -76,6 +76,7 @@
 #define INIT_CMD_SVC_ITER       129
 #define INIT_CMD_SVC_QUERY      130
 #define INIT_CMD_SVC_FIND       131
+#define INIT_CMD_SVC_FIND_BYC   132
 #define INIT_CMD_NACK           254
 #define INIT_CMD_ACK            255