fix some mistakes in ispell's english dictionary

patch-af: remove the word avaliable
patch-ag: remove the word dissappear and replace with disappear
--
From: NetBSD

textproc/ispell/patches/patch-af

@@ -0,0 +1,10 @@
+--- languages/english/english.2.orig	Tue Jan  4 14:20:49 2000
++++ languages/english/english.2	Tue Jan  4 14:21:09 2000
+@@ -1867,7 +1867,6 @@
+ auxotroph
+ auxotrophic
+ auxotrophy
+-avaliable
+ avast
+ avatar
+ avaunt

textproc/ispell/patches/patch-ag

@@ -0,0 +1,18 @@
+--- languages/english/english.3.orig	Tue Jan  4 14:23:57 2000
++++ languages/english/english.3	Tue Jan  4 14:24:29 2000
+@@ -5202,6 +5202,7 @@
+ dirndl
+ disaccredit
+ disafforest
++disappear
+ disbranch
+ disbud
+ discalced
+@@ -5236,7 +5237,6 @@
+ dispersoid
+ displayable
+ disproven
+-dissappear
+ disseminule
+ dissentious
+ dissepiment