- Fix path to help file.
- Pass a list to erasechar.

  Currently hitting one of the erase buttons causes HASHBLBLBALBALBA
  to be printed. This fixes the issue.

  Upstream commit 9cdde76546af7eaab54292df3a336b9b489a69e3.

Index: cadubi
--- cadubi.orig
+++ cadubi
@@ -12,7 +12,7 @@ $VERSION = '1.3.4';
 # (sorry guys, i wrote this years before i had the remotest clue as to
 #  what the hell i was doing)
 use FindBin qw($Bin);
-$HELPFILE = "$Bin/help.txt";
+$HELPFILE = "$Bin/../share/doc/cadubi/help.txt";
 
 # other stuff
 $DEBUG = 0;
@@ -345,7 +345,7 @@ sub paintchar { # prints the char on screen and saves 
 
 sub erasechar { # saves blank char to $charmap, prints
     $charmap->[$pos[0]][$pos[1]] = undef;
-    print &printchar({$charmap->[$pos[0]][$pos[1]]});
+    print &printchar(($charmap->[$pos[0]][$pos[1]]));
     &curs_move(@pos); #print moves to the right on us, without asking. the nerve!
 }