Add patch for doxy2swig compilation issue. (#119)

sphinxbase/default/PKGBUILD

@@ -12,8 +12,11 @@ arch=('i686' 'x86_64')
 license=('BSD')
 makedepends=('bison' 'swig')
 depends=('python2' 'python' 'lapack' 'libpulse') # not sure if libsamplerate is needed 'libsamplerate'
-source=("http://downloads.sourceforge.net/project/cmusphinx/${pkgname}/${pkgver}/${pkgname}-${pkgver}.tar.gz")
-sha256sums=('f72bdb59e50b558bed47cc2105777200d2b246a0f328e913de16a9b22f9a246f')
+source=("http://downloads.sourceforge.net/project/cmusphinx/${pkgname}/${pkgver}/${pkgname}-${pkgver}.tar.gz"
+        "sphinxbase-5prealpha-fix-doxy2swig.patch")
+
+sha256sums=('f72bdb59e50b558bed47cc2105777200d2b246a0f328e913de16a9b22f9a246f'
+            '1cb485202f83dc517872f5ab41f59d18884af1b85799166d80e08860f7729919')
 options=('!libtool')
 
 prepare() {
@@ -21,7 +24,8 @@ prepare() {
 
   msg2 "Reconfiguring project for current version of Automake"
   autoreconf -ivf > /dev/null
-
+  patch -p1 -b -i ../sphinxbase-5prealpha-fix-doxy2swig.patch
+ 
   cd ..
 
   cp -R "${pkgname}-${pkgver}" "${pkgname}-${pkgver}-py2"
@@ -32,12 +36,13 @@ build() {
   cd "${pkgname}-${pkgver}-py2"
 
   msg2 "Building Sphinxbase with Python 2 bindings..."
+  export PYTHON=/usr/bin/python2
   ./configure --prefix=/usr
   make
 
   cd "../${pkgname}-${pkgver}-py3"
   msg2 "Building Sphinxbase with Python 3 bindings..."
-  export PYTHON=/usr/bin/python2
+  export PYTHON=/usr/bin/python
   ./configure --prefix=/usr
   make
 }

sphinxbase/default/sphinxbase-5prealpha-fix-doxy2swig.patch

@@ -0,0 +1,16 @@
+diff --git a/doc/doxy2swig.py b/doc/doxy2swig.py
+index 5589b0d..a01c4b1 100644
+--- a/doc/doxy2swig.py
++++ b/doc/doxy2swig.py
+@@ -299,7 +299,10 @@ class Doxy2SWIG:
+             name = first['name'].firstChild.data
+ 
+             for n in node.getElementsByTagName('param'):
+-              arg_type = n.getElementsByTagName('type')[0]
++              elts = n.getElementsByTagName('type')
++              if len(elts) == 0:
++                  continue
++              arg_type = elts[0]
+               ref = self.get_specific_nodes(arg_type, ('ref'))
+               if 'ref' in ref:
+                 type_name = ref['ref'].firstChild.data