[3.14] gh-154144: Fix false positive from the stdbool.h guard in _testcapimodule.c (GH-154145) (GH-154158)

(cherry picked from commit 8d11eb0)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Author: 3 people

Misc/NEWS.d/next/Tests/2026-07-19-18-20-00.gh-issue-154144.tcbool.rst

@@ -0,0 +1 @@
+Fix building the :mod:`!_testcapi` module on NetBSD.

Modules/_testcapimodule.c

@@ -15,6 +15,10 @@
 #include "frameobject.h"          // PyFrame_New()
 #include "marshal.h"              // PyMarshal_WriteLongToFile()
 
+#ifdef bool
+#  error "The public headers should not include <stdbool.h>, see gh-90904"
+#endif
+
 #include <float.h>                // FLT_MAX
 #include <signal.h>
 #include <stddef.h>               // offsetof()
@@ -26,10 +30,6 @@
 #  include <sys/sysctl.h>         // sysctlbyname()
 #endif
 
-#ifdef bool
-#  error "The public headers should not include <stdbool.h>, see gh-48924"
-#endif
-
 #include "_testcapi/util.h"