New journal event command

Redundant information, but makes the journal easier to read.  The
redundancy might help making a journal replay tool robust.

Put it in Hvy Metal II now to gather some real data.

include/journal.h

@@ -41,6 +41,7 @@ void journal_login(void);
 void journal_logout(void);
 void journal_prng(unsigned);
 void journal_input(char *);
+void journal_command(char *);
 void journal_update(int);
 
 #endif

src/lib/player/dispatch.c

@@ -38,6 +38,7 @@
 #include "com.h"
 #include "empio.h"
 #include "file.h"
+#include "journal.h"
 #include "match.h"
 #include "misc.h"
 #include "nat.h"
@@ -102,6 +103,7 @@ dispatch(char *buf, char *redir)
 	uprnf(buf);
 	pr("\n");
     }
+    journal_command(command->c_form);
     switch (command->c_addr()) {
     case RET_OK:
 	player->btused += command->c_cost;

src/lib/subs/journal.c

@@ -44,6 +44,7 @@
  *     prng NAME SEED
  *     login CNUM HOSTADDR USER
  *     logout CNUM
+ *     command NAME
  *     input INPUT
  *     update ETU
  */
@@ -173,6 +174,13 @@ journal_input(char *input)
     journal_entry("input %s", input);
 }
 
+void
+journal_command(char *cmd)
+{
+    char *eptr = strchr(cmd, ' ');
+    journal_entry("command %.*s", eptr ? (int)(eptr - cmd) : -1, cmd);
+}
+
 void
 journal_update(int etu)
 {