Force-disable outdated python module which doesn't build with python3 and
clang 15.

Index: pcard/pcardext/pcardext.c
--- pcard/pcardext/pcardext.c.orig
+++ pcard/pcardext/pcardext.c
@@ -24,6 +24,8 @@ Author: Don Welch
 
 \*****************************************************************************/
 
+#if 0
+
 #define PY_SSIZE_T_CLEAN
 
 
@@ -246,4 +248,4 @@ void initpcardext( void )
       return;
 }
 
-
+#endif