[image] Consistently use for_each_image() to iterate over images

Signed-off-by: Michael Brown <mcb30@ipxe.org>
diff --git a/src/core/image.c b/src/core/image.c
index f6d3d8d..5a9aebc 100644
--- a/src/core/image.c
+++ b/src/core/image.c
@@ -312,7 +312,7 @@
 struct image * find_image ( const char *name ) {
 	struct image *image;
 
-	list_for_each_entry ( image, &images, list ) {
+	for_each_image ( image ) {
 		if ( strcmp ( image->name, name ) == 0 )
 			return image;
 	}
diff --git a/src/interface/efi/efi_file.c b/src/interface/efi/efi_file.c
index 7bcf8d5..f2b44fa 100644
--- a/src/interface/efi/efi_file.c
+++ b/src/interface/efi/efi_file.c
@@ -130,7 +130,7 @@
 	struct image *image;
 
 	/* Find image */
-	list_for_each_entry ( image, &images, list ) {
+	for_each_image ( image ) {
 		if ( strcasecmp ( image->name, name ) == 0 )
 			return image;
 	}