Change scrollz to disable the use of termcap library since it doesn't work...

Change scrollz to disable the use of termcap library since it doesn't work with our termcap library.

packages/scrollz.rb

@@ -3,7 +3,7 @@ require 'package'
 class Scrollz < Package
   description 'ScrollZ is an advanced IRC client based on ircII.'
   homepage 'http://www.scrollz.info/'
-  version '2.3'
+  version '2.3-1'
   source_url 'http://www.scrollz.info/download/ScrollZ-2.3.tar.gz'
   source_sha256 '22535bcc54ad752107ab181775d90d9cf1b37648f500d627f428388a9d3710e6'
 
@@ -11,7 +11,9 @@ class Scrollz < Package
   depends_on 'ncurses'
 
   def self.build
-    system "CFLAGS=-I/usr/local/include/ncurses ./configure"
+    # Scrollz prefers termcap over ncurses, but scrollz doesn't work our termcap
+    # because of link errors.  This configure option prohibits choosing termcap.
+    system "CFLAGS=-I/usr/local/include/ncurses ./configure ac_cv_header_termcap_h=no ac_cv_lib_termcap_tgetent=no"
     system "make"
   end