Upgrade to memmap2. (#67)

Author: hallahan

osmflatc/Cargo.toml

@@ -26,7 +26,7 @@ flate2 = "1.0.18"
 inlinable_string = "0.1.11"
 itertools = "0.10.3"
 log = "0.4.11"
-memmap = "0.7.0"
+memmap2 = "0.5.7"
 osmflat = "0.1.0"
 parking_lot = "0.11.0"
 pbr = "1.0.3"

osmflatc/src/main.rs

@@ -14,7 +14,7 @@ use colored::*;
 use flatdata::FileResourceStorage;
 use itertools::Itertools;
 use log::info;
-use memmap::Mmap;
+use memmap2::Mmap;
 use pbr::ProgressBar;
 
 use std::collections::{hash_map, HashMap};