code cleanup: compiler warnings

intern/cycles/app/cycles_test.cpp

@@ -181,7 +181,7 @@ static void resize(int width, int height)
 		options.session->reset(session_buffer_params(), options.session_params.samples);
 }
 
-void keyboard(unsigned char key)
+static void keyboard(unsigned char key)
 {
 	if(key == 'r')
 		options.session->reset(session_buffer_params(), options.session_params.samples);

intern/cycles/util/util_view.cpp

@@ -136,7 +136,7 @@ static void view_keyboard(unsigned char key, int x, int y)
 	}
 }
 
-void view_idle()
+static void view_idle(void)
 {
 	if(V.redraw) {
 		V.redraw = false;

source/blender/python/intern/bpy_rna.c

@@ -189,7 +189,7 @@ static GHash *id_weakref_pool_get(ID *id)
 }
 
 /* called from pyrna_struct_CreatePyObject() and pyrna_prop_CreatePyObject() */
-void id_weakref_pool_add(ID *id, BPy_DummyPointerRNA *pyrna)
+static void id_weakref_pool_add(ID *id, BPy_DummyPointerRNA *pyrna)
 {
 	PyObject *weakref;
 	PyObject *weakref_capsule;