Fix compilation on MS-Windowsscratch/posix-spawn-no-gnulib

* src/callproc.c (emacs_spawn) <fork_done>: Define the label only
if USABLE_POSIX_SPAWN is defined, to avoid a compiler warning.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/callproc.c b/src/callproc.c
index 208a448135c..c949fff4db9 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1601,7 +1601,9 @@ emacs_spawn (pid_t *newpid, int std_in, int std_out, int std_err,
 
   vfork_error = pid < 0 ? errno : 0;
 
+#if USABLE_POSIX_SPAWN
  fork_done:
+#endif
   if (pid < 0)
     {
       eassert (0 < vfork_error);