Workaround annoying automake sanity check.

Recent versions of automake prevent us from installing lib/* into
lib/backupninja/. Where else are be supposed to install such files anyway?

ChangeLog

@@ -16,6 +16,10 @@ version 1.0 -- UNRELEASED
 	   Thanks to Yuval Kogman <nothingmuch@woobling.org> for the patch.
 	mysql:
 	 . Don't attempt to dump performance_schema database (Redmine#3741).
+    build system changes
+	 . Workaround automake sanity check that would prevent us from
+	   installing lib/* into lib/backupninja/. Where else are be supposed
+	   to install such files anyway?
 
 version 0.9.10 -- September 23, 2011
     backupninja changes

lib/Makefile.am

-pkglib_SCRIPTS = easydialog parseini tools vserver
+my_execbindir = $(pkglibdir)
+my_execbin_SCRIPTS = easydialog parseini tools vserver
 
-CLEANFILES = $(pkglib_SCRIPTS)
+CLEANFILES = $(my_execbin_SCRIPTS)
 
 EXTRA_DIST = easydialog.in parseini.in tools.in vserver.in