cli_classic.c: fix minor cosmetic bug when support for wiki page generation is not compiled in

Change-Id: I222fd7aa5d633fe81ef1894d67dcb25ba0dd8937
Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/48430
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/71736
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/cli_classic.c b/cli_classic.c
index 5bdfa01..cf7de87 100644
--- a/cli_classic.c
+++ b/cli_classic.c
@@ -297,7 +297,7 @@
 			cli_classic_validate_singleop(&operation_specified);
 			list_supported_wiki = 1;
 #else
-			cli_classic_abort_usage("Error: Wiki output was not"
+			cli_classic_abort_usage("Error: Wiki output was not "
 					"compiled in. Aborting.\n");
 #endif
 			break;