File man-properly-escape-minuses.diff of Package scheme48

Quiet lintian by properly escaping minus signs in upstream manpage.

Index: scheme48/doc/scheme48.man
===================================================================
--- scheme48.orig/doc/scheme48.man	2009-03-02 19:41:25.000000000 -0800
+++ scheme48/doc/scheme48.man	2009-03-02 19:42:01.000000000 -0800
@@ -6,7 +6,7 @@
 LS48 \- a Scheme interpreter
 .SH SYNOPSIS
 .B LS48
-[-i image] [-h heapsize] [-a argument]
+[\-i image] [\-h heapsize] [\-a argument]
 .SH DESCRIPTION
 .B LS48
 is an implementation of the Scheme programming language as described in
@@ -80,7 +80,7 @@
 .nf
      > ,build (lambda (a) (display a) (newline) 0) foo.image
      > ,exit
-     $ LS48 -i foo.image -a mumble
+     $ LS48 \-i foo.image \-a mumble
      mumble
      $ 
 .PP