[new uImage] Fix erroneous use of image_get_magic() in fdc/usb cmds

Signed-off-by: Marian Balakowicz <m8@semihalf.com>
diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c
index c97abfb..9ddc59b 100644
--- a/common/cmd_fdc.c
+++ b/common/cmd_fdc.c
@@ -836,7 +836,7 @@
 		return 1;
 	}
 	hdr = (image_header_t *)addr;
-	if (!image_get_magic (hdr)) {
+	if (!image_check_magic (hdr)) {
 		printf ("Bad Magic Number\n");
 		return 1;
 	}
diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index 2d7a85a..3f1aa7d 100644
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -388,7 +388,7 @@
 
 	hdr = (image_header_t *)addr;
 
-	if (!image_get_magic (hdr)) {
+	if (!image_check_magic (hdr)) {
 		printf("\n** Bad Magic Number **\n");
 		return 1;
 	}