From e30ea5206ffca9c109265f35d05ce5f769826ac4 Mon Sep 17 00:00:00 2001
From: ThorstenB <brehmt@gmail.com>
Date: Thu, 4 Oct 2012 21:11:35 +0200
Subject: [PATCH] Fix Linux compile: "free" needs stdlib.h. Also move to .cxx
 file to avoid another include dependency in the header.

---
 simgear/sound/sample_openal.cxx   | 7 +++++--
 simgear/sound/sample_openal.hxx   | 6 ++----
 simgear/sound/soundmgr_openal.hxx | 2 +-
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/simgear/sound/sample_openal.cxx b/simgear/sound/sample_openal.cxx
index 827e5247..fb72566c 100644
--- a/simgear/sound/sample_openal.cxx
+++ b/simgear/sound/sample_openal.cxx
@@ -26,7 +26,7 @@
 #  include <simgear_config.h>
 #endif
 
-#include <stdlib.h>	// rand()
+#include <stdlib.h>	// rand(), free()
 #include <cstring>
 
 #include <simgear/debug/logstream.hxx>
@@ -232,4 +232,7 @@ SGPath SGSoundSample::file_path() const
   return SGPath(_refname);
 }
 
-
+void SGSoundSample::free_data()
+{
+   if ( _data != NULL ) free( _data ); _data = NULL;
+}
diff --git a/simgear/sound/sample_openal.hxx b/simgear/sound/sample_openal.hxx
index 706fa8d0..aa9c893d 100644
--- a/simgear/sound/sample_openal.hxx
+++ b/simgear/sound/sample_openal.hxx
@@ -68,7 +68,7 @@ public:
      * Constructor.
      * @param data Pointer to a memory buffer containing this audio sample data
        The application may free the data by calling free_data(), otherwise it
-       will be resident untill the class is destroyed. This pointer will be
+       will be resident until the class is destroyed. This pointer will be
        set to NULL after calling this function.
      * @param len Byte length of array
      * @param freq Frequency of the provided data (bytes per second)
@@ -188,9 +188,7 @@ public:
     /**
      * Free the data associated with this audio sample
      */
-    void free_data() {
-        if ( _data != NULL ) free( _data ); _data = NULL;
-    }
+    void free_data();
 
     /**
      * Set the source id of this source
diff --git a/simgear/sound/soundmgr_openal.hxx b/simgear/sound/soundmgr_openal.hxx
index d60294dd..d8c2c19a 100644
--- a/simgear/sound/soundmgr_openal.hxx
+++ b/simgear/sound/soundmgr_openal.hxx
@@ -203,7 +203,7 @@ public:
 
     /**
      * Get a free OpenAL buffer-id
-     * The buffer-id will be asigned to the sample by calling this function.
+     * The buffer-id will be assigned to the sample by calling this function.
      * @param sample Pointer to an audio sample to assign the buffer-id to
      * @return NO_BUFFER if loading of the buffer failed.
      */