Enable unix sockets in curl

This is normally enabled by default in a curl build. Disabling it now causes a build error for other platforms.

Author: donny-dont

ports/curl/portfile.cmake

@@ -69,7 +69,7 @@ set(BUILD_OPTIONS
     -DCURL_USE_LIBSSH2=OFF
     # ENABLE options
     -DENABLE_CURL_MANUAL=OFF
-    -DENABLE_UNIX_SOCKETS=OFF
+    -DENABLE_UNIX_SOCKETS=ON
     # USE options
     -DUSE_NGHTTP2=ON
     -DUSE_WIN32_LDAP=OFF