UNUSED() macro so -Wunused-parameter can be used with GCC without so many warnings.

applied to python api and exotic.c, removed some args being passed down which were not needed.

keyword args for new mathutils types were being ignored when they should raise an error.

source/blender/python/intern/bpy_operator.c

@@ -40,7 +40,7 @@
 #include "MEM_guardedalloc.h"
 #include "BKE_report.h"
 
-static PyObject *pyop_poll( PyObject * self, PyObject * args)
+static PyObject *pyop_poll(PyObject *UNUSED(self), PyObject *args)
 {
 	wmOperatorType *ot;
 	char		*opname;
@@ -80,7 +80,7 @@ static PyObject *pyop_poll( PyObject * self, PyObject * args)
 	return ret;
 }
 
-static PyObject *pyop_call( PyObject * self, PyObject * args)
+static PyObject *pyop_call(PyObject *UNUSED(self), PyObject *args)
 {
 	wmOperatorType *ot;
 	int error_val = 0;
@@ -196,7 +196,7 @@ static PyObject *pyop_call( PyObject * self, PyObject * args)
 
 }
 
-static PyObject *pyop_as_string( PyObject * self, PyObject * args)
+static PyObject *pyop_as_string(PyObject *UNUSED(self), PyObject *args)
 {
 	wmOperatorType *ot;
 	PointerRNA ptr;
@@ -248,7 +248,7 @@ static PyObject *pyop_as_string( PyObject * self, PyObject * args)
 	return pybuf;
 }
 
-static PyObject *pyop_dir(PyObject *self)
+static PyObject *pyop_dir(PyObject *UNUSED(self))
 {
 	PyObject *list = PyList_New(0), *name;
 	wmOperatorType *ot;
@@ -262,7 +262,7 @@ static PyObject *pyop_dir(PyObject *self)
 	return list;
 }
 
-static PyObject *pyop_getrna(PyObject *self, PyObject *value)
+static PyObject *pyop_getrna(PyObject *UNUSED(self), PyObject *value)
 {
 	wmOperatorType *ot;
 	PointerRNA ptr;