fix unsigned warning in num_gmp.h

11 years ago · d9b9873318
1 changed files with 1 additions and 1 deletions
--- a/secp256k1/impl/num_gmp.h
+++ b/secp256k1/impl/num_gmp.h
@ -279,7 +279,7 @@ void static secp256k1_num_set_hex(secp256k1_num_t *r, const char *a, int alen) {
        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0
    };
-    char num[257] = {};
+    unsigned char num[257] = {};
    for (int i=0; i<alen; i++) {
        num[i] = cvt[a[i]];
    }