Merge pull request clearlinux#62 from popovich-sergei/master

update: Compare computed vs expected sha256 digit string ignoring case

src/update.c

@@ -187,7 +187,7 @@ static bool nvdcve_data_ok(const char *meta, const char *data)
                 snprintf(&csum_data[idx], len, "%02hhx", digest[i]);
         }
 
-        ret = streq(csum_meta, csum_data);
+        ret = !strcasecmp(csum_meta, csum_data);
 
 err_unmap:
         munmap(buffer, length);