[glib/halfline-no-spawn] wip! gspawn: Disable posix_spawn on osx

[Ray Strode <halfline src gnome org>]

commit ce5c790ae12d3311f136dd99c86f6855191c1aca
Author: Ray Strode <rstrode redhat com>
Date:   Tue Oct 18 13:35:19 2022 -0400

    wip! gspawn: Disable posix_spawn on osx
    
    I just want to see if it has any effect on the osx failure

 glib/gspawn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/glib/gspawn.c b/glib/gspawn.c
index 4e029eedf5..8798ade1c8 100644
--- a/glib/gspawn.c
+++ b/glib/gspawn.c
@@ -85,7 +85,7 @@
 
 #else /* !__GLIBC__ */
 /* Assume that all non-glibc posix_spawn implementations are fine. */
-#define POSIX_SPAWN_AVAILABLE
+#undef POSIX_SPAWN_AVAILABLE
 #endif /* __GLIBC__ */
 #endif /* HAVE_POSIX_SPAWN */