Z_PREFIX zError function

When a project use zError function,linker can not find z_zError function

zlibWrapper/zstd_zlibwrapper.c

@@ -1189,3 +1189,10 @@ ZEXTERN const z_crc_t FAR * ZEXPORT z_get_crc_table    OF((void))
     return get_crc_table();
 }
 #endif
+
+                        /* Error function */
+ZEXTERN const char * ZEXPORT z_zError OF((int err))
+{
+    /* Just use zlib Error function */
+    return zError(err);
+}