gsu: Fix two bashisms.
authorAndre Noll <maan@oka.kyb.local>
Thu, 26 Jul 2007 13:40:42 +0000 (15:40 +0200)
committerAndre Noll <maan@tuebingen.mpg.de>
Fri, 29 Aug 2014 19:36:07 +0000 (21:36 +0200)
commitcfcfff151c607e910616ff04ac1a39650ee29277
treebd524ca0b5c9227296ad1f598d8456498a4bcf69
parent206631d696603d28576e927e9c6a12c1acdca280
gsu: Fix two bashisms.

Always include the '$', even in math expressions where bash doesn't
need it.
funcs/gsu