Bug#716683 "Admin console hangs on unknown command"

Review fixes: the original patch is fine,
but since we use strlen() for help, let's use strlen() for
unknown_command too.

core/admin.c

@@ -58,7 +58,7 @@ static const char *help =
 	" - reload configuration" CRLF;
 
 
-static const char unknown_command[] = "unknown command. try typing help." CRLF;
+static const char *unknown_command = "unknown command. try typing help." CRLF;
 
 
 #line 65 "core/admin.c"
@@ -1457,7 +1457,7 @@ case 107:
 
 	if (p != pe) {
 		start(out);
-		tbuf_append(out, unknown_command, sizeof(unknown_command) - 1);
+		tbuf_append(out, unknown_command, strlen(unknown_command));
 		end(out);
 	}
 

core/admin.rl

@@ -56,7 +56,7 @@ static const char *help =
 	" - reload configuration" CRLF;
 
 
-static const char unknown_command[] = "unknown command. try typing help." CRLF;
+static const char *unknown_command = "unknown command. try typing help." CRLF;
 
 %%{
 	machine admin;
@@ -203,7 +203,7 @@ admin_dispatch(void)
 
 	if (p != pe) {
 		start(out);
-		tbuf_append(out, unknown_command, sizeof(unknown_command) - 1);
+		tbuf_append(out, unknown_command, strlen(unknown_command));
 		end(out);
 	}