Bugzilla bug #46909: on Mac, define _PR_LOCAL_THREADS_ONLY in _macos.h

as opposed to prcpucfg.h.

nsprpub/pr/include/md/_macos.h

@@ -42,6 +42,7 @@
 //
 
 #define PR_DLL_SUFFIX		""
+#define _PR_LOCAL_THREADS_ONLY
 #define _PR_NO_PREEMPT	1
 
 #include "prinit.h"

nsprpub/pr/src/md/mac/prcpucfg.h

@@ -85,8 +85,6 @@
 #define PR_BYTES_PER_DWORD_LOG2  3L
 #define PR_WORDS_PER_DWORD_LOG2  1L
 
-#define _PR_LOCAL_THREADS_ONLY
-
 #ifndef NO_NSPR_10_SUPPORT
 #define BYTES_PER_BYTE		PR_BYTES_PER_BYTE
 #define BYTES_PER_SHORT 	PR_BYTES_PER_SHORT