Fix naming mistake

Author: madsmtm

src/target/llvm.rs

@@ -49,7 +49,7 @@ pub(crate) fn guess_llvm_target_triple(
     };
     let env = match env {
         "newlib" | "nto70" | "nto71" | "ohos" | "p1" | "p2" | "relibc" | "sgx" | "uclibc" => "",
-        abi => abi,
+        env => env,
     };
     let abi = match abi {
         "sim" => "simulator",