$NetBSD$

changed man pages installation directory from share/man to man

--- contrib/CMakeLists.txt.orig	2025-09-06 14:06:28.000000000 +0000
+++ contrib/CMakeLists.txt
@@ -2,4 +2,4 @@
 # Netlist preprocessor script and man page
 INSTALL( FILES ps2sp DESTINATION bin/ )
 
-INSTALL( FILES ps2sp.1 DESTINATION share/man/man1 )
+INSTALL( FILES ps2sp.1 DESTINATION man/man1 )