Fix unix and win32 build without C++ threads

src/unix/unix_thread.c

@@ -32,7 +32,7 @@ thread_run_wrapper(thread_param *arg)
 }
 
 thread_t *
-thread_create(void (*thread_rout)(void *param), void *param, const char *name)
+thread_create_named(void (*thread_rout)(void *param), void *param, const char *name)
 {
     pthread_t    *thread   = malloc(sizeof(pthread_t));
     thread_param *thrparam = malloc(sizeof(thread_param));

src/win/win_thread.c

@@ -37,7 +37,7 @@ typedef struct {
 } win_event_t;
 
 thread_t *
-thread_create(void (*func)(void *param), void *param, const char *name)
+thread_create_named(void (*func)(void *param), void *param, const char *name)
 {
     uintptr_t bt = _beginthread(func, 0, param);
     plat_set_thread_name(bt, name);