Make sure bash is used

17385dae · Bernd Paysan · 0f47335f · 17385dae
Verified Commit 17385dae authored Aug 03, 2015 by Bernd Paysan
--- a/Makefile
+++ b/Makefile
 # Makefile for Thinking Forth

+SHELL = bash
+
 SOURCES = thinking-forth.tex \
 	tfoptions.tex \
 	bio.tex copyright.tex quotation.tex tocpages.tex title.tex title2.tex \