bvi: Add patch to avoid hard links

packages/bvi/Makefile.in.patch

@@ -0,0 +1,14 @@
+diff -u -r ../bvi-1.4.0/Makefile.in ./Makefile.in
+--- ../bvi-1.4.0/Makefile.in	2014-10-01 20:59:36.000000000 +0200
++++ ./Makefile.in	2017-01-25 01:40:36.938250670 +0100
+@@ -72,8 +72,8 @@
+ 	@$(INSTALL_DATA) bmore.help $(helpdir)
+ 	@if [ -f $(bindir)/bview ]; then rm $(bindir)/bview; fi
+ 	@if [ -f $(bindir)/bvedit ]; then rm $(bindir)/bvedit; fi
+-	@ln $(bindir)/bvi $(bindir)/bview
+-	@ln $(bindir)/bvi $(bindir)/bvedit
++	@ln -s $(bindir)/bvi $(bindir)/bview
++	@ln -s $(bindir)/bvi $(bindir)/bvedit
+ 
+ installdirs:
+ 	$(SHELL) ${srcdir}/mkinstalldirs $(bindir) $(helpdir) $(man1dir)