Auto merge of #27839 - gkoz:netbsd_ar, r=brson

NetBSD didn't get its fix for #27124 and still suffers from that issue.

Author: bors

src/librustc_back/target/netbsd_base.rs

@@ -26,7 +26,7 @@ pub fn opts() -> TargetOptions {
             "-Wl,--as-needed".to_string(),
         ),
         position_independent_executables: true,
-        archive_format: "bsd".to_string(),
+        archive_format: "gnu".to_string(),
         .. Default::default()
     }
 }