test: Fix the help for the ut command

The font help has an incorrect newline. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes: cdd964e3801 ("test: Tidy up help for ut command")
diff --git a/test/cmd_ut.c b/test/cmd_ut.c
index 067bd08..1713d0d 100644
--- a/test/cmd_ut.c
+++ b/test/cmd_ut.c
@@ -189,7 +189,7 @@
 	"\nfdt - fdt command"
 #endif
 #ifdef CONFIG_CONSOLE_TRUETYPE
-	"\nut font - font command\n"
+	"\nut font - font command"
 #endif
 #ifdef CONFIG_CMD_LOADM
 	"\nloadm - loadm command parameters and loading memory blob"