fix: Fix build on NetBSD

rustix::fs 1.x has unified the nanonseconds member across operating systems.

Author: 0-wiz-0

gix-index/src/fs.rs

@@ -59,10 +59,8 @@ impl Metadata {
             #[cfg(any(target_os = "aix", target_os = "hurd"))]
             let seconds = self.0.st_mtim.tv_sec;
 
-            #[cfg(not(any(target_os = "netbsd", target_os = "aix", target_os = "hurd")))]
+            #[cfg(not(any(target_os = "aix", target_os = "hurd")))]
             let nanoseconds = self.0.st_mtime_nsec;
-            #[cfg(target_os = "netbsd")]
-            let nanoseconds = self.0.st_mtimensec;
             #[cfg(any(target_os = "aix", target_os = "hurd"))]
             let nanoseconds = self.0.st_mtim.tv_nsec;
 
@@ -88,10 +86,8 @@ impl Metadata {
             #[cfg(any(target_os = "aix", target_os = "hurd"))]
             let seconds = self.0.st_ctim.tv_sec;
 
-            #[cfg(not(any(target_os = "netbsd", target_os = "aix", target_os = "hurd")))]
+            #[cfg(not(any(target_os = "aix", target_os = "hurd")))]
             let nanoseconds = self.0.st_ctime_nsec;
-            #[cfg(target_os = "netbsd")]
-            let nanoseconds = self.0.st_ctimensec;
             #[cfg(any(target_os = "aix", target_os = "hurd"))]
             let nanoseconds = self.0.st_ctim.tv_nsec;