winGRASS installer: protect white spaces in GRASS_PYTHON

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@56428 15284696-431f-4ddb-bdfa-cd5b030d7da7

mswindows/GRASS-Installer.nsi.tmpl

@@ -847,7 +847,7 @@ Section "GRASS" SecGRASS
 	FileWrite $0 'GEOTIFF_CSV="$INSTALL_DIR\share\epsg_csv"$\r$\n'
 	FileWrite $0 'export GEOTIFF_CSV$\r$\n'
 	FileWrite $0 '$\r$\n'
-	FileWrite $0 '"$$GRASS_PYTHON $$GISBASE/etc/grass@GRASS_VERSION_MAJOR@@GRASS_VERSION_MINOR@.py" "$$@"'
+	FileWrite $0 '"$$GRASS_PYTHON" "$$GISBASE/etc/grass@GRASS_VERSION_MAJOR@@GRASS_VERSION_MINOR@.py" "$$@"'
 	FileClose $0
 	done_create_grass_command:
 		

mswindows/osgeo4w/grass.tmpl

@@ -11,6 +11,6 @@ PATH=$OSGEO4W_ROOT_MSYS/apps/grass/grass-@VERSION@/bin:$PATH
 export $OSGEO4W_ROOT_MSYS $GISBASE $GRASS_SH $GRASS_PYTHON $PYTHONHOME $GRASS_PROJSHARE
 export $PATH
 
-$GRASS_PYTHON "$GISBASE/etc/grass@POSTFIX@.py" "$@"
+"$GRASS_PYTHON" "$GISBASE/etc/grass@POSTFIX@.py" "$@"
 
 exit 0