Update ExtUtils-MakeMaker to CPAN version 6.76

Update ExtUtils-MakeMaker to CPAN version 6.76

  [DELTA]

6.76 Fri Sep  6 13:32:42 BST 2013

    No changes from 6.75_04

6.75_04 Thu Sep  5 12:07:59 BST 2013
    Bug fixes:
    * Sanitise make on MSWin32 when reporting Makefile type

6.75_03 Tue Sep  3 00:24:23 BST 2013
    New features:
    * Added RECURSIVE_TEST_FILES attribute to 'test'
    * Report the type of Makefile being generated

    Bug fixes:
    * RT#17041 more sortification of hashes to Makefile

6.75_02 Sun Sep  1 21:50:48 BST 2013
    Bug fixes:
    * RT#49043 binmode STDIN breaks prompt() on MSWin32
    * RT#14505 Handle -Wl,-rpath correctly
    * RT#17041 Sort manification and copying events for perceptive
      cleanliness

6.75_01 Thu Aug 29 15:06:27 BST 2013
    New features:
    * Added NO_PERLLOCAL option to allow suppression of writing
      installs to perllocal.pod
    * Added NO_PACKLIST option to allow suppression of writing
      packlist files for installations

    Bug Fixes:
    * RT#32894 deal with legitimate linker flags correctly
    * RT#88222 check that Time::HiRes has 'stat' before using it

    Doc Fixes:
    * RT#87350 Document DLEXT parameter (sisyphus)