tests: also test spaces in conflict marker labels
Our fake merge tool printed the arguments using `$1` etc. without
quotes, which means that the shell collapsed repeated spaces within
the argument. That resulted in tests that did not pick up changes to
the number of spaces.
Differential Revision: https://phab.mercurial-scm.org/D12010
#include <Python.h>
#if PY_MAJOR_VERSION >= 3
#define PYCODETYPE PyObject
#else
#define PYCODETYPE PyCodeObject
#endif
namespace contrib
{
void initpy(const char *cselfpath);
PyObject *pyglobals();
} /* namespace contrib */