Rip out small change from upstream to fix building with GCC4.

http://bugs.gentoo.org/show_bug.cgi?id=89123

--- tests/genfile.c
+++ tests/genfile.c
@@ -62,3 +69,3 @@
 
-static const char *argp_program_version = "genfile (" PACKAGE ") " VERSION;
-static const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
+const char *argp_program_version = "genfile (" PACKAGE ") " VERSION;
+const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
 static char doc[] = N_("genfile generates data files for GNU paxutils test suite");