make tm struct members public

src/windows/mod.rs

@@ -73,15 +73,15 @@ s! {
     }
 
     pub struct tm {
-        tm_sec: ::c_int,
-        tm_min: ::c_int,
-        tm_hour: ::c_int,
-        tm_mday: ::c_int,
-        tm_mon: ::c_int,
-        tm_year: ::c_int,
-        tm_wday: ::c_int,
-        tm_yday: ::c_int,
-        tm_isdst: ::c_int,
+        pub tm_sec: ::c_int,
+        pub tm_min: ::c_int,
+        pub tm_hour: ::c_int,
+        pub tm_mday: ::c_int,
+        pub tm_mon: ::c_int,
+        pub tm_year: ::c_int,
+        pub tm_wday: ::c_int,
+        pub tm_yday: ::c_int,
+        pub tm_isdst: ::c_int,
     }
 
     pub struct timeval {