ntdll: Don't fail when trying to remove the value of a non-existant variable in…

dlls/ntdll/env.c

@@ -276,7 +276,7 @@ NTSTATUS WINAPI RtlSetEnvironmentVariable(PWSTR* penv, PUNICODE_STRING name,
 {
     INT varlen, len, old_size;
     LPWSTR      p, env;
-    NTSTATUS    nts = STATUS_VARIABLE_NOT_FOUND;
+    NTSTATUS    nts = STATUS_SUCCESS;
 
     TRACE("(%p, %s, %s)\n", penv, debugstr_us(name), debugstr_us(value));
 
@@ -352,7 +352,6 @@ NTSTATUS WINAPI RtlSetEnvironmentVariable(PWSTR* penv, PUNICODE_STRING name,
         memcpy( p, value->Buffer, value->Length );
         p[value->Length / sizeof(WCHAR)] = 0;
     }
-    nts = STATUS_SUCCESS;
 
 done:
     if (!penv) RtlReleasePebLock();

dlls/ntdll/tests/env.c

@@ -621,7 +621,7 @@ static void test_RtlSetEnvironmentVariable(void)
     query_env_var(env, L"cat", NULL);
 
     status = set_env_var(&env, L"cat", NULL);
-    todo_wine ok(!status, "got %#x\n", status);
+    ok(!status, "got %#x\n", status);
 
     status = set_env_var(&env, L"foo", L"meouw");
     ok(!status, "got %#x\n", status);
@@ -632,7 +632,7 @@ static void test_RtlSetEnvironmentVariable(void)
     query_env_var(env, L"foo", NULL);
 
     status = set_env_var(&env, L"horse", NULL);
-    todo_wine ok(!status, "got %#x\n", status);
+    ok(!status, "got %#x\n", status);
     query_env_var(env, L"horse", NULL);
 
     status = set_env_var(&env, L"me=too", L"also");