Fix lint errors

types/tiny-secp256k1/index.d.ts

@@ -1,6 +1,6 @@
-// Type definitions for tiny-secp256k1 v1.0.0
+// Type definitions for tiny-secp256k1 1.0
 // Project: https://github.com/bitcoinjs/tiny-secp256k1
-// Definitions by: Eduardo Henke <https://github.com/eduhenke/>
+// Definitions by: Eduardo Henke <https://github.com/eduhenke>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 /// <reference types="node" />
 

types/tiny-secp256k1/tsconfig.json

@@ -13,7 +13,8 @@
         ],
         "types": [],
         "noEmit": true,
-        "forceConsistentCasingInFileNames": true
+        "forceConsistentCasingInFileNames": true,
+        "strictFunctionTypes": true
     },
     "files": [
         "index.d.ts",