Use 0llu instead of 0ull in one place too

Gbp-Dch: ignore

apt-pkg/acquire.cc

@@ -730,7 +730,7 @@ bool pkgAcquire::Clean(string Dir)
 /* This is the total number of bytes needed */
 APT_PURE unsigned long long pkgAcquire::TotalNeeded()
 {
-   return std::accumulate(ItemsBegin(), ItemsEnd(), 0ull,
+   return std::accumulate(ItemsBegin(), ItemsEnd(), 0llu,
       [](unsigned long long const T, Item const * const I) {
 	 return T + I->FileSize;
    });