devel/cargo-audit: drop current_exe() workaround

ports@, rust in ports contains a patch to use getexecpath() for current_exe() that makes this workaround outdate. Ok to drop it? Index: Makefile =================================================================== RCS file: /home/cvs/ports/devel/cargo-audit/Makefile,v diff -u -p -r1.13 Makefile --- Makefile 6 Jan 2026 19:45:55 -0000 1.13 +++ Makefile 5 Sep 2026 16:04:04 -0000 @@ -4,6 +4,7 @@ NOT_FOR_ARCHS = sparc64 COMMENT = audit Cargo.lock files for security vulnerabilities V = 0.22.0 +REVISION = 0 CRATE = cargo-audit DISTNAME = ${CRATE}-${V} Index: patches/patch-modcargo-crates_canonical-path-2_0_2_src_lib_rs =================================================================== RCS file: patches/patch-modcargo-crates_canonical-path-2_0_2_src_lib_rs diff -N patches/patch-modcargo-crates_canonical-path-2_0_2_src_lib_rs --- patches/patch-modcargo-crates_canonical-path-2_0_2_src_lib_rs 6 Jan 2026 19:45:55 -0000 1.1 +++ /dev/null 1 Jan 1970 00:00:00 -0000 @@ -1,18 +0,0 @@ -Index: modcargo-crates/canonical-path-2.0.2/src/lib.rs ---- modcargo-crates/canonical-path-2.0.2/src/lib.rs.orig -+++ modcargo-crates/canonical-path-2.0.2/src/lib.rs -@@ -327,7 +327,13 @@ impl ToOwned for CanonicalPath { - /// Returns the full, canonicalized filesystem path of the current running - /// executable. - pub fn current_exe() -> Result<CanonicalPathBuf> { -- let p = env::current_exe()?; -+ let argv0 = env::args() -+ .next() -+ .ok_or_else(|| Error::new(ErrorKind::InvalidInput, "can't get argv[0]"))?; -+ let exe_name = Path::new(&argv0) -+ .file_name() -+ .ok_or_else(|| Error::new(ErrorKind::InvalidInput, "can't get file name from argv[0]"))?; -+ let p = PathBuf::from("${LOCALBASE}").join("bin").join(exe_name); - Ok(CanonicalPathBuf::canonicalize(p)?) - } - -- wbr, Kirill