fix mac bustage until I get the PRInt64 macro's right.

mailnews/news/src/nsNntpIncomingServer.cpp

@@ -1047,7 +1047,9 @@ nsNntpIncomingServer::HandleLine(char* line, PRUint32 line_size)
 			if (PL_strcmp(line, "lastgroupdate") == 0) {
 				mLastGroupDate = strtol(equalPos, nsnull, 16);
 			} else if (PL_strcmp(line, "firstnewdate") == 0) {
+#if 0
 				mFirstNewDate = strtol(equalPos, nsnull, 16);
+#endif
 			} else if (PL_strcmp(line, "uniqueid") == 0) {
 				mUniqueId = strtol(equalPos, nsnull, 16);
 			} else if (PL_strcmp(line, "pushauth") == 0) {