image-fit: Make string of algo parameter constant

Modifications would be invalid.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/image.h b/include/image.h
index 1cdc70faee..7be6f11f61 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1011,7 +1011,7 @@ int fit_image_get_data_size_unciphered(const void *fit, int noffset,
 int fit_image_get_data_and_size(const void *fit, int noffset,
 				const void **data, size_t *size);
 
-int fit_image_hash_get_algo(const void *fit, int noffset, char **algo);
+int fit_image_hash_get_algo(const void *fit, int noffset, const char **algo);
 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
 				int *value_len);