Use reinterpret_cast to pass pthread_self (pthread_t) into CRYPTO_THREADID_set_pointer (void*).

indra/llcrashlogger/llcrashlogger.cpp

@@ -663,7 +663,7 @@ void LLCrashLogger::ssl_thread_id_callback(CRYPTO_THREADID* pthreadid)
 #if LL_WINDOWS
     CRYPTO_THREADID_set_pointer(pthreadid, GetCurrentThread());
 #else
-    CRYPTO_THREADID_set_pointer(pthreadid, pthread_self());
+    CRYPTO_THREADID_set_pointer(pthreadid, reinterpret_cast<void*>(pthread_self()));
 #endif
 }