fix GRASS7 v_surf_rst modules in qgis 2_18

Author: gioman

python/plugins/processing/algs/grass7/description/v.surf.rst.cvdev.txt

@@ -2,7 +2,7 @@ v.surf.rst
 v.surf.rst.cvdev - Spatial approximation and topographic analysis using regularized spline with tension.
 Vector (v.*)
 ParameterVector|input|Input vector layer|0|False
-ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|
+*ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|None|False|True
 ParameterRaster|mask|Name of the raster map used as mask|True
 ParameterTableField|zcolumn|Name of the attribute column with values to be used for approximation|input|-1|False
 ParameterNumber|tension|Tension parameter|None|None|40

python/plugins/processing/algs/grass7/description/v.surf.rst.line.txt

@@ -2,7 +2,7 @@ v.surf.rst
 v.surf.rst.line - Spatial approximation and topographic analysis using regularized spline with tension.
 Vector (v.*)
 ParameterVector|input|Input lines layer|1|False
-ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|
+*ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|None|False|True
 ParameterRaster|mask|Name of the raster map used as mask|True
 ParameterTableField|zcolumn|Name of the attribute column with values to be used for approximation|input|-1|False
 ParameterNumber|tension|Tension parameter|None|None|40

python/plugins/processing/algs/grass7/description/v.surf.rst.txt

@@ -2,7 +2,7 @@ v.surf.rst
 Spatial approximation and topographic analysis using regularized spline with tension.
 Vector (v.*)
 ParameterVector|input|Input points layer|0|False
-ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|
+*ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|None|False|True
 ParameterRaster|mask|Name of the raster map used as mask|True
 ParameterTableField|zcolumn|Name of the attribute column with values to be used for approximation|input|-1|False
 ParameterNumber|tension|Tension parameter|None|None|40