(void*) the argument to make sure we work with picky compilers

p4raw-id: //depot/perl@12407

diff --git a/ext/threads/threads.xs b/ext/threads/threads.xs
index 1dc4e39..0d00c81 100755 (executable)
--- a/ext/threads/threads.xs
+++ b/ext/threads/threads.xs
@@ -157,9 +157,9 @@ SV* Perl_thread_create(char* class, SV* init_function, SV* params) {
 
 #else
 #ifdef OLD_PTHREADS_API
-       pthread_create( &thread->thr, (pthread_attr_t)NULL, Perl_thread_run, thread);
+       pthread_create( &thread->thr, (pthread_attr_t)NULL, Perl_thread_run, (void *)thread);
 #else
-       pthread_create( &thread->thr, (pthread_attr_t*)NULL, Perl_thread_run, thread);
+       pthread_create( &thread->thr, (pthread_attr_t*)NULL, Perl_thread_run, (void *)thread);
 #endif
 #endif
        MUTEX_UNLOCK(&create_mutex);