Fixing cmake version that was broken for iOS

dr-orlovsky · web-flow · commit d06c4b95da5e · 2020-07-11T14:26:35.000+02:00
check rust-lang/cmake-rs#96 for details
diff --git a/Cargo.toml b/Cargo.toml
@@ -15,4 +15,4 @@ keywords = ["libzmq", "zmq", "zeromq"]
 members = ["testcrate"]
 
 [dependencies]
-cmake = "=0.1.42"
+cmake = "=0.1.41"
