Re: devel/got-portable: build failure on Darwin, if ossp-uuid is linked

[Greg Troxel <gdt%lexort.com@localhost>]

The issue is:

  In file included from conftest.c:152:
  /Users/mk/pkgsrc/devel/got-portable/work/.buildlink/include/uuid.h:94:24: error: typedef redefinition with different types ('struct uuid_st' vs '__darwin_uuid_t' (aka 'unsigned char[16]'))
  typedef struct uuid_st uuid_t;
                         ^
  /Library/Developer/CommandLineTools/SDKs/MacOSX11.3.sdk/usr/include/sys/_types/_uuid_t.h:31:25: note: previous definition is here
  typedef __darwin_uuid_t uuid_t;
                          ^

                          ^