avoid creating unnecessary reference in Windows Env iterator

diff --git a/src/libstd/sys/windows/os.rs b/src/libstd/sys/windows/os.rs
index cc4ae4059069385ea4dd0e0e93801d75abc24a48..a0da2498bb7e0fec156dd7cb11251f4ed98ffb1c 100644 (file)
--- a/src/libstd/sys/windows/os.rs
+++ b/src/libstd/sys/windows/os.rs
@@ -94,7 +94,7 @@ fn next(&mut self) -> Option<(OsString, OsString)> {
                 if *self.cur == 0 {
                     return None;
                 }
-                let p = &*self.cur as *const u16;
+                let p = self.cur as *const u16;
                 let mut len = 0;
                 while *p.offset(len) != 0 {
                     len += 1;