traits: bump to 0.1.39

traits/Cargo.toml

@@ -7,6 +7,6 @@ keywords = ["mathematics", "numerics"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rust-num/num"
 name = "num-traits"
-version = "0.1.38"
+version = "0.1.39"
 
 [dependencies]