Revert "fix uv_cwd call"

This reverts commit 1882884c9e.

src/util/uv.cpp

@@ -10,7 +10,7 @@ std::string cwd() {
     do {
         max += 256;
         dir.resize(max);
-        uv_cwd(const_cast<char *>(dir.data()), &max);
+        uv_cwd(const_cast<char *>(dir.data()), max);
     } while (max == dir.size());
     dir.resize(max - 1);
     return dir;