Fix remaining warnings from -Wshorten-64-to-32
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/lms.c b/library/lms.c
index 08fe753..8d3cae0 100644
--- a/library/lms.c
+++ b/library/lms.c
@@ -65,7 +65,8 @@
#define H_TREE_HEIGHT_MAX 10
#define MERKLE_TREE_NODE_AM(type) ((size_t) 1 << (MBEDTLS_LMS_H_TREE_HEIGHT(type) + 1u))
#define MERKLE_TREE_LEAF_NODE_AM(type) ((size_t) 1 << MBEDTLS_LMS_H_TREE_HEIGHT(type))
-#define MERKLE_TREE_INTERNAL_NODE_AM(type) ((size_t) 1 << MBEDTLS_LMS_H_TREE_HEIGHT(type))
+#define MERKLE_TREE_INTERNAL_NODE_AM(type) ((unsigned int) \
+ (1u << MBEDTLS_LMS_H_TREE_HEIGHT(type)))
#define D_CONST_LEN (2)
static const unsigned char D_LEAF_CONSTANT_BYTES[D_CONST_LEN] = { 0x82, 0x82 };