(sys_subshell): Fix last change.

diff --git a/src/sysdep.c b/src/sysdep.c
index ef5000eeb09f780948399bfac3e17cf975cbf717..f79311f837bab392a0f6695c21a37864ef0946fb 100644 (file)
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -851,19 +851,20 @@ sys_subshell ()
 
 #ifdef MSDOS    /* Demacs 1.1.2 91/10/20 Manabu Higashida */
       {
-       char *old_pwd = getenv ("PWD");
+       char *epwd = getenv ("PWD");
+       char old_pwd[MAXPATHLEN+1+4];
 
        /* If PWD is set, pass it with corrected value.  */
-       if (old_pwd)
+       if (epwd)
          {
-           old_pwd = xstrdup (old_pwd);
+           strcpy (old_pwd, epwd);
            if (str[len - 1] == '/')
              str[len - 1] = '\0';
            setenv ("PWD", str, 1);
          }
        st = system (sh);
        chdir (oldwd);
-       if (old_pwd)
+       if (epwd)
          putenv (old_pwd);     /* restore previous value */
       }
 #if 0  /* This is also reported if last command executed in subshell failed, KFS */