media: go7007: fix two sparse warnings

drivers/media/usb/go7007/go7007-v4l2.c:637:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation]
drivers/media/usb/go7007/go7007-fw.c:1507:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/usb/go7007/go7007-fw.c

@@ -1514,7 +1514,10 @@ static int do_special(struct go7007 *go, u16 type, __le16 *code, int space,
 		case V4L2_PIX_FMT_MPEG4:
 			return gen_mpeg4hdr_to_package(go, code, space,
 								framelen);
+		default:
+			break;
 		}
+		break;
 	case SPECIAL_BRC_CTRL:
 		return brctrl_to_package(go, code, space, framelen);
 	case SPECIAL_CONFIG:

drivers/media/usb/go7007/go7007-v4l2.c

@@ -634,7 +634,7 @@ static int vidioc_enum_input(struct file *file, void *priv,
 	if (inp->index >= go->board_info->num_inputs)
 		return -EINVAL;
 
-	strncpy(inp->name, go->board_info->inputs[inp->index].name,
+	strlcpy(inp->name, go->board_info->inputs[inp->index].name,
 			sizeof(inp->name));
 
 	/* If this board has a tuner, it will be the first input */