fixed warnings

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4662 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/core/lock.c

@@ -248,6 +248,6 @@ rw_lock_write_lock(rw_lock *lock)
 status_t
 rw_lock_write_unlock(rw_lock *lock)
 {
-	release_sem_etc(lock->sem, RW_MAX_READERS, 0);
+	return release_sem_etc(lock->sem, RW_MAX_READERS, 0);
 }
 

src/kernel/core/module.c

@@ -803,6 +803,7 @@ dump_modules(int argc, char **argv)
 			image->path, image->image, image->info, image->ref_count,
 			image->keep_loaded ? "keep loaded" : "can be unloaded");
 	}
+	return 0;
 }