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-rw-r--r--sha1_file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sha1_file.c b/sha1_file.c
index 5234170..ae9bd1f 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -32,7 +32,7 @@ const unsigned char null_sha1[20];
static unsigned int sha1_file_open_flag = O_NOATIME;
-signed char hexval_table[256] = {
+const signed char hexval_table[256] = {
-1, -1, -1, -1, -1, -1, -1, -1, /* 00-07 */
-1, -1, -1, -1, -1, -1, -1, -1, /* 08-0f */
-1, -1, -1, -1, -1, -1, -1, -1, /* 10-17 */