libkmod/libkmod-signature: comment out kmod_signature_info::algo

As the comment says, it's unused so we might as well not bother atm.
This means, kmod_signature_info fits nicely in 64 bytes, thus being
friendlier to the C runtime.

While also shaving ~150 bytes off the binary and a few cycles.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

Author: evelikov

libkmod/libkmod-internal.h

@@ -174,8 +174,11 @@ struct kmod_signature_info {
 	size_t signer_len;
 	const char *key_id;
 	size_t key_id_len;
-	const char *algo, *hash_algo, *id_type; /* XXX: algo is currently unused. See
-						   kmod_module_get_info */
+	/*
+	 * XXX: algo is currently unused. See kmod_module_get_info() for more.
+	 * const char *algo;
+	 */
+	const char *hash_algo, *id_type;
 	const char *sig;
 	size_t sig_len;
 };

libkmod/libkmod-signature.c

@@ -28,10 +28,13 @@ enum pkey_algo {
 	PKEY_ALGO__LAST,
 };
 
+#if 0
+/* XXX: algo is currently unused. See kmod_module_get_info() for more. */
 static const char *const pkey_algo[PKEY_ALGO__LAST] = {
 	[PKEY_ALGO_DSA] = "DSA",
 	[PKEY_ALGO_RSA] = "RSA",
 };
+#endif
 
 enum pkey_hash_algo {
 	PKEY_HASH_MD4,
@@ -328,7 +331,7 @@ bool kmod_module_signature_info(const struct kmod_file *file,
 	}
 
 	if (ret == true) {
-		(*sig_info)->algo = pkey_algo[modsig.algo];
+		/*(*sig_info)->algo = pkey_algo[modsig.algo]; */
 		(*sig_info)->id_type = pkey_id_type[modsig.id_type];
 	}