Auto merge of #2704 - devnexen:fbsd_libutil_upd, r=Amanieu

adding getlocalbase to freebsd 13

Author: bors

libc-test/build.rs

@@ -2344,6 +2344,9 @@ fn test_freebsd(target: &str) {
             // Those were introduced in FreeBSD 12.
             "flopen" | "flopenat" if Some(12) > freebsd_ver => true,
 
+            // Added in FreeBSD 13.
+            "getlocalbase" if Some(13) > freebsd_ver => true,
+
             _ => false,
         }
     });

libc-test/semver/freebsd.txt

@@ -1525,6 +1525,7 @@ getifaddrs
 getitimer
 getline
 getloadavg
+getlocalbase
 getnameinfo
 getpagesize
 getpagesizes

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -4326,6 +4326,8 @@ extern "C" {
 
     pub fn flopen(path: *const ::c_char, flags: ::c_int, ...) -> ::c_int;
     pub fn flopenat(fd: ::c_int, path: *const ::c_char, flags: ::c_int, ...) -> ::c_int;
+
+    pub fn getlocalbase() -> *const ::c_char;
 }
 
 #[link(name = "procstat")]