--- a/platform/beos.cpp	Tue Mar 20 17:57:45 2007 +0000
+++ b/platform/beos.cpp	Tue Mar 20 18:33:56 2007 +0000
@@ -240,6 +240,12 @@
     release_sem(*((sem_id *) mutex));
 } /* __PHYSFS_platformReleaseMutex */
 
+
+int __PHYSFS_platformSetDefaultAllocator(PHYSFS_Allocator *a)
+{
+    return(0);  /* just use malloc() and friends. */
+} /* __PHYSFS_platformSetDefaultAllocator */
+
 #endif  /* PHYSFS_PLATFORM_BEOS */
 
 /* end of beos.cpp ... */