am 64e9e71c: Define nonportable pthread mutex macros with the _NP suffix.

* commit '64e9e71cdb7d88397e510e1986d494b797ed3b45':
  Define nonportable pthread mutex macros with the _NP suffix.
diff --git a/libc/include/pthread.h b/libc/include/pthread.h
index 26d68e4..cf09445 100644
--- a/libc/include/pthread.h
+++ b/libc/include/pthread.h
@@ -46,6 +46,9 @@
 
 typedef long pthread_mutexattr_t;
 
+#define  PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP  PTHREAD_RECURSIVE_MUTEX_INITIALIZER
+#define  PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP PTHREAD_ERRORCHECK_MUTEX_INITIALIZER
+
 enum {
     PTHREAD_MUTEX_NORMAL = 0,
     PTHREAD_MUTEX_RECURSIVE = 1,