Implement (nop, but that's OK according to POSIX) pthread_set_concurrency.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1355 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/vg_libpthread_unimp.c b/coregrind/vg_libpthread_unimp.c
index b727f2f..1b986d9 100644
--- a/coregrind/vg_libpthread_unimp.c
+++ b/coregrind/vg_libpthread_unimp.c
@@ -253,8 +253,8 @@
                       { vgPlain_unimp("pthread_mutexattr_setkind_np"); }
 __attribute__((weak)) void pthread_mutexattr_setpshared ( void )
                       { vgPlain_unimp("pthread_mutexattr_setpshared"); }
-__attribute__((weak)) void pthread_setconcurrency ( void )
-                      { vgPlain_unimp("pthread_setconcurrency"); }
+//__attribute__((weak)) void pthread_setconcurrency ( void )
+//                      { vgPlain_unimp("pthread_setconcurrency"); }
 __attribute__((weak)) void pthread_spin_destroy ( void )
                       { vgPlain_unimp("pthread_spin_destroy"); }
 __attribute__((weak)) void pthread_spin_init ( void )