Bump dependency on cfg-if so that we do not pull in the pre-1.0 version into other crates dependency tree.

Author: adamreichold

Cargo.toml

@@ -13,7 +13,7 @@ keywords = ["numpy", "python", "binding"]
 license = "BSD-2-Clause"
 
 [dependencies]
-cfg-if = "0.1"
+cfg-if = "1.0"
 libc = "0.2"
 num-complex = ">= 0.2, <= 0.4"
 num-traits = "0.2"