add missing diff, rework to re-add bzip2 support

rust-zip.spec

@@ -13,8 +13,8 @@ Summary:        Library to support the reading and writing of zip files
 License:        MIT
 URL:            https://crates.io/crates/zip
 Source:         %{crates_source}
-# Initial patched metadata
-Patch0:         zip-fix-metadata.diff
+# Update walkdir to the version in Fedora
+Patch0:         zip-update-walkdir.diff
 
 ExclusiveArch:  %{rust_arches}
 %if %{__cargo_skip_build}

zip-update-walkdir.diff

@@ -0,0 +1,12 @@
+diff -ru zip-0.5.6.orig/Cargo.toml zip-0.5.6/Cargo.toml
+--- zip-0.5.6.orig/Cargo.toml	2020-06-13 08:29:17.000000000 -0700
++++ zip-0.5.6/Cargo.toml	2020-06-28 08:48:57.102465250 -0700
+@@ -49,7 +49,7 @@
+ version = "0.4"
+ 
+ [dev-dependencies.walkdir]
+-version = "1.0"
++version = "2.3"
+ 
+ [features]
+ default = ["bzip2", "deflate", "time"]