File fix-build.diff of Package perl-prefork

Index: prefork-1.04/Makefile.PL
===================================================================
--- prefork-1.04.orig/Makefile.PL
+++ prefork-1.04/Makefile.PL
@@ -1,3 +1,4 @@
+BEGIN { push @INC, '.'; }
 use inc::Module::Install::DSL 0.91;
 
 all_from      lib/prefork.pm