pulseaudio: fixed some build issues

sesman/chansrv/pulse/pulse-notes.ubuntu.txt

@@ -20,8 +20,8 @@ o append the following line to /etc/apt/sources.list
     #deb http://archive.getdeb.net/ubuntu precise-getdeb games
     deb http://drbl.sourceforge.net/drbl-core drbl stable
     deb-src http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
- 
-    NOTE: If you get an error message that goes something like this: 
+
+    NOTE: If you get an error message that goes something like this:
 
     E: You must put some 'source' URIs in your sources.list
 
@@ -41,7 +41,7 @@ o run these commands in your home directory
 
 o edit Makefile and point PULSE_DIR to ~/pulseaudio<version> dir
 
-o run make; the outputs will be 
+o run make; the outputs will be
   module-xrdp-sink.so
   module-xrdp-source.so
 
@@ -49,6 +49,14 @@ o sudo cp module-xrdp-sink.so   /usr/lib/pulse-<version>/modules
   sudo cp module-xrdp-source.so /usr/lib/pulse-<version>/modules
   note: on a 64bit machine use lib64 instead of lib
 
+o if you build xrdp with --enable-load_pulse_modules, then the above modules
+  will get loaded automatically when xrdp starts. However if --enable-load_pulse_modules
+  is not used, then you need to edit /etc/pulse/default.pa and insert the following
+  two lines into it:
+
+  load-module module-xrdp-sink
+  load-module module-xrdp-source
+
 --------------------------------------
  To test sound/microphone redirection
 --------------------------------------

sesman/chansrv/sound.c

@@ -17,13 +17,16 @@
  */
 
 #include <stdio.h>
-#include <pulse/util.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/errno.h>
 #include <signal.h>
 #include <sys/un.h>
 
+#ifdef XRDP_LOAD_PULSE_MODULES
+#include <pulse/util.h>
+#endif
+
 #include "sound.h"
 #include "thread_calls.h"
 #include "defines.h"