OpenCV 3.1.0 patch for cygwin.

opencv-3.1.0-cygwin.patch

*** opencv-3.1.0.orig/modules/core/src/parallel.cpp	2016-01-16 20:39:07.880186500 +0900
--- opencv-3.1.0/modules/core/src/parallel.cpp	2016-01-16 20:46:56.376797500 +0900
***************
*** 50,56 ****
      #undef abs
  #endif
  
! #if defined __linux__ || defined __APPLE__
      #include <unistd.h>
      #include <stdio.h>
      #include <sys/types.h>
--- 50,56 ----
      #undef abs
  #endif
  
! #if defined __linux__ || defined __APPLE__ || defined __CYGWIN__
      #include <unistd.h>
      #include <stdio.h>
      #include <sys/types.h>
*** opencv-3.1.0.orig/modules/core/src/system.cpp	2015-12-19 00:02:16.000000000 +0900
--- opencv-3.1.0/modules/core/src/system.cpp	2016-01-16 20:47:12.471354500 +0900
***************
*** 64,70 ****
  # endif
  #endif
  
! #if defined ANDROID || defined __linux__ || defined __FreeBSD__
  #  include <unistd.h>
  #  include <fcntl.h>
  #  include <elf.h>
--- 64,70 ----
  # endif
  #endif
  
! #if defined ANDROID || defined __linux__ || defined __FreeBSD__ || defined __CYGWIN__
  #  include <unistd.h>
  #  include <fcntl.h>
  #  include <elf.h>
***************
*** 406,412 ****
      LARGE_INTEGER counter;
      QueryPerformanceCounter( &counter );
      return (int64)counter.QuadPart;
! #elif defined __linux || defined __linux__
      struct timespec tp;
      clock_gettime(CLOCK_MONOTONIC, &tp);
      return (int64)tp.tv_sec*1000000000 + tp.tv_nsec;
--- 406,412 ----
      LARGE_INTEGER counter;
      QueryPerformanceCounter( &counter );
      return (int64)counter.QuadPart;
! #elif defined __linux || defined __linux__ || defined __CYGWIN__
      struct timespec tp;
      clock_gettime(CLOCK_MONOTONIC, &tp);
      return (int64)tp.tv_sec*1000000000 + tp.tv_nsec;