[Bf-committers] Fix for crash in blender with no sound card.

[bf-committers@blender.org]

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I found that blender crashed when no sound card are found on the sytem (I
recently rebuilt my machine and haven't updated the sound drivers.

The crash happens on destruction of the SND_OpenALDevice object
(SND_OpenALDevice.cpp, line 301) because the m_context object has not been
initialized to NULL.

Patch attached (let me know if the format is okay). I just finished my first
successful build of the BF branch and want to start developing for blender. I
will attempt to fix a number of bugs to familiarixe myself with the source.

Cheers,

Jacques

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