nsFontNode* node = (nsFontNode*) aData;
nsFontNodeXlib* node = (nsFontNodeXlib*) aData;
FreeNode(nsHashKey* aKey, void* aData, void* aClosure){  nsFontNode* node = (nsFontNode*) aData;  for (int i = 0; i < 3; i++) {    if (node->mStyles[i]) {      for (int j = i + 1; j < 3; j++) {        if (node->mStyles[j] == node->mStyles[i]) {          node->mStyles[j] = nsnull;        }      }      FreeStyle(node->mStyles[i]);    }  }  delete node;  return PR_TRUE;}