(sys_subshell): Fix last change.

1 files changed, 5 insertions, 4 deletions

diff --git a/src/sysdep.c b/src/sysdep.c
index ef5000eeb09..f79311f837b 100644
--- 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 */