Fix build error with clang (#472)

Author: ehuss

Cargo.toml

@@ -18,7 +18,7 @@ appveyor = { repository = "alexcrichton/curl-rust" }
 
 [dependencies]
 libc = "0.2.42"
-curl-sys = { path = "curl-sys", version = "0.4.56", default-features = false }
+curl-sys = { path = "curl-sys", version = "0.4.59", default-features = false }
 socket2 = "0.4.0"
 
 # Unix platforms use OpenSSL for now to provide SSL functionality

curl-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "curl-sys"
-version = "0.4.58+curl-7.86.0"
+version = "0.4.59+curl-7.86.0"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 links = "curl"
 build = "build.rs"

curl-sys/build.rs

@@ -358,6 +358,7 @@ fn main() {
             .define("HAVE_FCNTL_O_NONBLOCK", None)
             .define("HAVE_SYS_SELECT_H", None)
             .define("HAVE_SYS_STAT_H", None)
+            .define("HAVE_SYS_TIME_H", None)
             .define("HAVE_UNISTD_H", None)
             .define("HAVE_RECV", None)
             .define("HAVE_SELECT", None)