build: added auto deleting of configure~ for git

nl-sys/build.rs

@@ -13,7 +13,9 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-fn main() {
+use std::fs;
+
+fn main() -> std::io::Result<()> {
     cc::Build::new().file("src/bridge.c").compile("bridge");
 
     let dst = autotools::Config::new("libnl").reconf("-vi").build();
@@ -21,4 +23,8 @@ fn main() {
     println!("cargo:rustc-link-search=native={}/lib", dst.display());
     println!("cargo:rustc-link-lib=static=nl-3");
     println!("cargo:rustc-link-lib=static=nl-route-3");
+
+    fs::remove_file("libnl/configure~")?;
+
+    Ok(())
 }