tiny nit in texi2dvi

[Ralf Wildenhues]

Hello Karl,

ash's test doesn't like "==", and it's not Posix, either.
This fixes it.

Cheers,
Ralf

2008-06-03  Ralf Wildenhues  <address@hidden>

        * util/texi2dvi (run_makeinfo): Fix bashism "test ... == ...".

Index: util/texi2dvi
===================================================================
RCS file: /cvsroot/texinfo/texinfo/util/texi2dvi,v
retrieving revision 1.123
diff -u -r1.123 texi2dvi
--- util/texi2dvi       12 May 2008 00:01:55 -0000      1.123
+++ util/texi2dvi       3 Jun 2008 19:10:49 -0000
@@ -1094,7 +1094,7 @@
 # main info output, the user asked to run TeX, not makeinfo.
 run_makeinfo ()
 {
-  test $in_lang == texinfo ||
+  test $in_lang = texinfo ||
     return 0
 
   # Unless required by the user, makeinfo expansion is wanted only