update dist-hook

Makefile.am

@@ -36,15 +36,11 @@ dist-hook:
 # Need to remove .svn directories from directories
 # added using EXTRA_DIST. $(distdir)/tessdata would in
 # theory suffice.
-	rm -rf $(find $(distdir) -name .svn)
-	rm -rf $(find $(distdir) -name .git)
-	rm -rf $(find $(distdir) -name .deps)
-	rm -rf $(find $(distdir) -name .libs)
-	rm -rf $(find $(distdir) -name *.o)
-	rm -rf $(find $(distdir) -name *.lo)
-	rm -rf $(find $(distdir) -name *.la)
-	rm -rf $(find $(distdir)/training -executable -type f)
-	rm -rf $(distdir)/doc/html/*
+	rm -rf `find $(distdir) -name .deps -type d`
+	-rm -f $(distdir)/*/Makefile $(distdir)/*/*/Makefile
+	rm -f `find $(distdir) -name '*~'`
+	rm -rf $(find $(distdir)/src/training -executable -type f)
+	rm -rf $(distdir)/doc/html/* $(distdir)/doc/*.log
 
 ScrollView.jar:
 	@cd "$(top_builddir)/java" && $(MAKE) $@