Updates library jni portaudio for windows.

src/native/portaudio/README

@@ -1,7 +1,7 @@
 1. portaudio
 
     Get portaudio-hotplug branch and apply the portaudio-hotplug-os patch:
-    $ svn co https://www.portaudio.com/repos/portaudio/branches/hotplug
+    $ svn -r 1821 co https://subversion.assembla.com/svn/portaudio/portaudio/branches/hotplug
     $ patch -p0 < portaudio-hotplug-os.patch
     $ autoreconf -i (OS X and Linux only)
 
@@ -15,11 +15,15 @@
     $ ./configure --disable-shared --enable-static --with-pic && make
 
     - Windows
+    Use msys and mingw (A gui installer, use latest
+    http://sf.net/projects/mingw/files/Installer/mingw-get-inst/ this can
+    only compile 32bit).
     Download directx devpack for MinGW at http://www.dgrigoriadis.net/post/2004/06/26/DirectXDevPak-for-Dev-Cpp.aspx and
-    extract it.
+    extract it. (May neeto to remove the define for WAVEFORMATEXTENSIBLE
+    (#ifndef _WAVEFORMATEXTENSIBLE_ .....) include/ksmedia.h)
     
     $ DXDIR=/path/to/directx_dev_pack_directory
-    $ ./configure --disable-shared --enable-static --with-pic --with-dxdir=$DXDIR --with-winapi=wmme,directx,wdmks && make
+    $ CFLAGS="-DWINVER=0x501" ./configure --disable-shared --enable-static --with-pic --with-dxdir=$DXDIR --with-winapi=wmme,directx,wdmks && make
 
 2. speex
     - Linux/FreeBSD, Windows