_test_free() casts pointer to int on LP64 platforms

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What steps will reproduce the problem?
1. Compile on LP64 platform.
2. Observe gcc warning messages.

What is the expected output? 

No warnings.

What do you see instead?

/Users/smb/src/cmockery-staging/osx/../src/cmockery.c: In function '_test_free':
/Users/smb/src/cmockery-staging/osx/../src/cmockery.c:1405: warning: cast from 
pointer to 
integer of different size



What version of the product are you using? On what operating system?


Please provide any additional information below.

Problem is statement:

_assert_true((int)ptr, "ptr", file, line);

Original issue reported on code.google.com by Stephen....@gmail.com on 2 Mar 2010 at 1:54