Fix compilation on MS-Windows

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

(cherry picked from commit a8fc08085110de00ebcbd67b5273a755a5cb8ea1)

diff --git a/src/callproc.c b/src/callproc.c
index 4aa24636c357c02551f3789049121806d86a0b0a..fad81694b0a061b90074ea53ffa058dca75a8199 100644 (file)
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1602,7 +1602,9 @@ 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);