RFC: remove unneeded parts of the lcms patch in icedtea6

[Omair Majid]

Hi,

The attached patch removes redundant parts of the lcms patch 
(patches/lcms.patch) in icedtea6. These parts are performing null checks 
which are not needed. In the case of the first chunk, the null check is 
redundant (a check is performed a few lines before). The second chunk is 
just a stylistic change, from (!var) to (var == null). The third chunk 
is also redundant as a null pointer would have caused issues before 
getting to that line.

Okay to commit?

ChangeLog:
2011-04-21  Omair Majid  <omajid at redhat.com>

   * patches/lcms.patch: Remove useless chunks in the patch.

Cheers,
Omair
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