--- OLD/xc/lib/lbxutil/lbx_zlib/lbx_zlib.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/lib/lbxutil/lbx_zlib/lbx_zlib.c	Thu Jan  1 00:00:00 1970
@@ -67,6 +67,8 @@
 
 void ZlibFree();
 
+extern unsigned long int Xalloc(); /* XXX should be prototyped */
+
 unsigned long stream_out_compressed;
 unsigned long stream_out_uncompressed;
 unsigned long stream_out_plain;
@@ -304,7 +306,7 @@
     int				     Hsize;
     int				     ret1, ret2;
 
-    if ((comp = (struct ZlibInfo *)Xalloc(sizeof(struct ZlibInfo))) == NULL)
+    if ((comp = Xalloc(sizeof(struct ZlibInfo))) == NULL)
 	return NULL;
 
     ret1 = InitZlibBuffer(&comp->inbuf, INBUFFER_SIZE);