Merge #1587

1587: MapFlags::MAP_ALIGNED_SUPER not exposed on FreeBSD due to typo r=asomers a=StephanvanSchaik

This fixes a typo in `src/sys/mman.rs` where `MapFlags::MAP_ALIGNED_SUPER` should have been available on FreeBSD, but is not due to a typo.

Co-authored-by: S.J.R. van Schaik <stephan@synkhronix.com>

Author: bors[bot]

src/sys/mman.rs

@@ -141,7 +141,7 @@ libc_bitflags!{
         #[cfg(any(target_os = "ios", target_os = "macos"))]
         MAP_JIT;
         /// Allows to use large pages, underlying alignment based on size.
-        #[cfg(target_os = "freesd")]
+        #[cfg(target_os = "freebsd")]
         MAP_ALIGNED_SUPER;
         /// Pages will be discarded in the core dumps.
         #[cfg(target_os = "openbsd")]