Avoid type any

ESLint is really unhappy with that type.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

src/downloader.ts

@@ -27,7 +27,7 @@ function mkdirp(directoryPath: string): void {
     }
     throw new Error(`${directoryPath} exists, but is not a directory`)
   } catch (e) {
-    if (!(e instanceof Object) || (e as any).code !== 'ENOENT') {
+    if (!(e instanceof Object) || (e as {code: string}).code !== 'ENOENT') {
       throw e
     }
   }