Removing some compiler warnings.

(Note to who-ever made all the changes referring to r.scemode:
r.scemode is an int, not a short!)

source/blender/python/api2_2x/Mesh.c

@@ -7557,6 +7557,7 @@ static PyObject *Mesh_getTangents( BPy_Mesh * self )
 			
 			CalcNormFloat4( v1->co, v2->co, v3->co, v4->co, fno );
 		} else {
+			v4 = NULL;
 			CalcNormFloat( v1->co, v2->co, v3->co, fno );
 		}
 		

source/blender/python/api2_2x/sceneRender.c

@@ -657,20 +657,20 @@ PyObject *RenderData_EnableBackbuf( BPy_RenderData * self, PyObject * args )
 
 PyObject *RenderData_EnableExtensions( BPy_RenderData * self, PyObject * args )
 {
-	return M_Render_BitToggleShort( args, R_EXTENSION,
+	return M_Render_BitToggleInt( args, R_EXTENSION,
 					&self->renderContext->scemode );
 }
 
 PyObject *RenderData_EnableSequencer( BPy_RenderData * self, PyObject * args )
 {
-	return M_Render_BitToggleShort( args, R_DOSEQ,
+	return M_Render_BitToggleInt( args, R_DOSEQ,
 					&self->renderContext->scemode );
 }
 
 PyObject *RenderData_EnableRenderDaemon( BPy_RenderData * self,
 					 PyObject * args )
 {
-	return M_Render_BitToggleShort( args, R_BG_RENDER,
+	return M_Render_BitToggleInt( args, R_BG_RENDER,
 					&self->renderContext->scemode );
 }