hunspell: fix userdirs

Closes Homebrew/legacy-homebrew#23044.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/hunspell.rb

@@ -7,6 +7,12 @@ class Hunspell < Formula
 
   depends_on 'readline'
 
+  def patches
+    # hunspell does not prepend $HOME to all USEROODIRs
+    # http://sourceforge.net/p/hunspell/bugs/236/
+    { :p0 => DATA }
+  end
+
   def install
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}",
@@ -17,3 +23,45 @@ def install
     system "make install"
   end
 end
+
+__END__
+--- src/tools/hunspell.cxx.old	2013-08-02 18:21:49.000000000 +0200
++++ src/tools/hunspell.cxx	2013-08-02 18:20:27.000000000 +0200
+@@ -28,7 +28,7 @@
+ #ifdef WIN32
+
+ #define LIBDIR "C:\\Hunspell\\"
+-#define USEROOODIR "Application Data\\OpenOffice.org 2\\user\\wordbook"
++#define USEROOODIR { "Application Data\\OpenOffice.org 2\\user\\wordbook" }
+ #define OOODIR \
+     "C:\\Program files\\OpenOffice.org 2.4\\share\\dict\\ooo\\;" \
+     "C:\\Program files\\OpenOffice.org 2.3\\share\\dict\\ooo\\;" \
+@@ -65,11 +65,11 @@
+     "/usr/share/myspell:" \
+     "/usr/share/myspell/dicts:" \
+     "/Library/Spelling"
+-#define USEROOODIR \
+-    ".openoffice.org/3/user/wordbook:" \
+-    ".openoffice.org2/user/wordbook:" \
+-    ".openoffice.org2.0/user/wordbook:" \
+-    "Library/Spelling"
++#define USEROOODIR { \
++    ".openoffice.org/3/user/wordbook:", \
++    ".openoffice.org2/user/wordbook:", \
++    ".openoffice.org2.0/user/wordbook:", \
++    "Library/Spelling" }
+ #define OOODIR \
+     "/opt/openoffice.org/basis3.0/share/dict/ooo:" \
+     "/usr/lib/openoffice.org/basis3.0/share/dict/ooo:" \
+@@ -1664,7 +1664,10 @@
+ 	path = add(path, PATHSEP);          // <- check path in root directory
+ 	if (getenv("DICPATH")) path = add(add(path, getenv("DICPATH")), PATHSEP);
+ 	path = add(add(path, LIBDIR), PATHSEP);
+-	if (HOME) path = add(add(add(add(path, HOME), DIRSEP), USEROOODIR), PATHSEP);
++  const char* userooodir[] = USEROOODIR;
++  for (int i = 0; i < (sizeof(userooodir) / sizeof(userooodir[0])); i++) {
++    if (HOME) path = add(add(add(add(path, HOME), DIRSEP), userooodir[i]), PATHSEP);
++  }
+ 	path = add(path, OOODIR);
+
+ 	if (showpath) {