(child_setup): Use xfree instead of free.

diff --git a/src/callproc.c b/src/callproc.c
index 396629a086116ce755b353fd257843305c7e3f4a..103ece304bcb3e61ebc26564a93f1c4572a3636d 100644 (file)
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1228,7 +1228,7 @@ child_setup (in, out, err, new_argv, set_pgrp, current_dir)
 
 #ifdef MSDOS
   pid = run_msdos_command (new_argv, pwd_var + 4, in, out, err, env);
-  free (pwd_var);
+  xfree (pwd_var);
   if (pid == -1)
     /* An error occurred while trying to run the subprocess.  */
     report_file_error ("Spawning child process", Qnil);