Update ExtUtils-MakeMaker to CPAN version 6.88

Update ExtUtils-MakeMaker to CPAN version 6.88

  [DELTA]

6.88 Fri Jan 31 20:49:13 GMT 2014

    No changes from 6.87_05

6.87_05 Tue Jan 28 13:54:21 GMT 2014
    Bug fixes:
    * Synchronisation with blead to remove old cross-compilation model

6.87_04 Sun Jan 26 19:29:05 GMT 2014
    Bug fixes:
    * On Android, pass PERL_LIB through rel2abs().

6.87_03 Sun Jan 19 17:49:43 GMT 2014
    Bug fixes:
    * Get rid of unused printf arguments in dynamic_bs

6.87_02 Sat Jan 18 13:00:36 GMT 2014
    Doc fixes:
    * Update documentation for LICENSE attribute.

    Bug fixes:
    * Get rid of unused printf arguments in dir_target

6.87_01 Sun Jan 12 10:31:41 GMT 2014
    Doc fixes:
    * mention that TEST_REQUIRES is in v6.64 and above