Cargo.toml: Specify the slotmap version to placate cargo

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/Cargo.toml b/Cargo.toml
index 574181320642235b028eaa93f79490fa85f74be1..8d9778ce3b67b4529767ae5b92f6ab76ec793b92 100644 (file)
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -78,6 +78,6 @@ index_vec    = { version="0.1.1", features=["serde"       ] }
 serde        = { version="1"    , features=["derive", "rc"] }
 strum        = { version="0.20" , features=["derive"      ] }
 
-slotmap = { package="slotmap-fork-otter", git="https://github.com/ijackson/slotmap", branch="slotmap-fork-otter", features=["serde"] }
+slotmap = { package="slotmap-fork-otter", version="1", git="https://github.com/ijackson/slotmap", branch="slotmap-fork-otter", features=["serde"] }
 
 #fin.