Fix debugcmd parameter processing

The debugcmd parameter processing didn't actually allow the maximum number
of parameters to be passed to the function. The detailed help text was
never printed and most of them were only duplicates of the short
description.

client/maxadmin.c

@@ -108,6 +108,7 @@ static struct option long_options[] =
 #define MAXADMIN_DEFAULT_HOST "localhost"
 #define MAXADMIN_DEFAULT_PORT "6603"
 #define MAXADMIN_DEFAULT_USER "admin"
+#define MAXADMIN_BUFFER_SIZE 2048
 
 /**
  * The main for the maxadmin client
@@ -125,7 +126,7 @@ main(int argc, char **argv)
     History *hist;
     HistEvent ev;
 #else
-    char buf[1024];
+    char buf[MAXADMIN_BUFFER_SIZE];
 #endif
     char *hostname = NULL;
     char *port = NULL;