[sextante] made parameter harcoded in saga shapestogrid algorithm

Author: volaya

python/plugins/sextante/saga/description/ShapestoGrid.txt

@@ -5,7 +5,7 @@ ParameterTableField|FIELD|Attribute|INPUT|-1|False
 ParameterSelection|MULTIPLE|Method for Multiple Values|[0] first;[1] last;[2] minimum;[3] maximum;[4] mean
 ParameterSelection|LINE_TYPE|Method for Lines|[0] thin;[1] thick
 ParameterSelection|GRID_TYPE|Preferred Target Grid Type|[0] Integer (1 byte);[1] Integer (2 byte);[2] Integer (4 byte);[3] Floating Point (4 byte);[4] Floating Point (8 byte)
-ParameterSelection|TARGET|Target Grid|[0] user defined
+Harcoded|-TARGET 0
 Extent USER_XMIN USER_XMAX USER_YMIN USER_YMAX
 ParameterNumber|USER_SIZE|Cellsize|None|None|100.0
-OutputRaster|USER_GRID|Grid
+OutputRaster|USER_GRID|Grid