[PATCH] cmd: Do not change errorlevel when setting environment variables

[Florian Eder]

Neither on Windows XP, 7 nor 10 the errorlevel is changed when
setting / changing the value of an environment variable with SET.
This patch emulates this behavior, retaining the previous value.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47791
Signed-off-by: Florian Eder 
---
 programs/cmd/builtins.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index 502694ffc46..d593580a46b 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -4218,7 +4218,7 @@ void WCMD_setshow_env (WCHAR *s) {
     if ((!status) & (gle == ERROR_ENVVAR_NOT_FOUND)) {
       errorlevel = 1;
     } else if (!status) WCMD_print_error();
-    else errorlevel = 0;
+    else return;
   }
 }