wingrass: restore PROJ_LIB variable (fix https://trac.osgeo.org/grass/changeset/57344)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57367 15284696-431f-4ddb-bdfa-cd5b030d7da7

mswindows/GRASS-Installer.nsi.tmpl

@@ -835,6 +835,10 @@ Section "GRASS" SecGRASS
 	FileWrite $0 'GRASS_PROJSHARE="$INSTALL_DIR\share\proj"$\r$\n'
 	FileWrite $0 'export GRASS_PROJSHARE$\r$\n'
 	FileWrite $0 '$\r$\n'
+	FileWrite $0 '# Set the PROJ_LIB variable$\r$\n'
+	FileWrite $0 'PROJ_LIB="$INSTALL_DIR\share\proj"$\r$\n'
+	FileWrite $0 'export PROJ_LIB $\r$\n'
+	FileWrite $0 '$\r$\n'
 	FileWrite $0 '# Set the GDAL_DATA variable$\r$\n'
 	FileWrite $0 'GDAL_DATA="$INSTALL_DIR\share\gdal"$\r$\n'
 	FileWrite $0 'export GDAL_DATA$\r$\n'

mswindows/env.bat

@@ -6,6 +6,8 @@ set GRASS_PYTHON=%GISBASE%\extrabin\python.exe
 set PYTHONHOME=%GISBASE%\Python27
 
 set GRASS_PROJSHARE=%GISBASE%\proj
+
+set PROJ_LIB=%GISBASE%\share\proj 
 set GDAL_DATA=%GISBASE%\share\gdal
 set GEOTIFF_CSV=%GISBASE%\share\epsg_csv