Issue #8914: fix various warnings from the Clang static analyzer v254.
diff --git a/Modules/_multiprocessing/multiprocessing.h b/Modules/_multiprocessing/multiprocessing.h
index 14425de..b9917c3 100644
--- a/Modules/_multiprocessing/multiprocessing.h
+++ b/Modules/_multiprocessing/multiprocessing.h
@@ -4,7 +4,7 @@
#define PY_SSIZE_T_CLEAN
#ifdef __sun
-/* The control message API is only available on Solaris
+/* The control message API is only available on Solaris
if XPG 4.2 or later is requested. */
#define _XOPEN_SOURCE 500
#endif