GRIB2: use typeOfSecondFixedSurface if present.

ChangeLog

@@ -4,6 +4,7 @@
 
 2018-01-04  Uwe Schulzweida
 
+	* GRIB2: use typeOfSecondFixedSurface if present
 	* Added support for GRIB2 key tablesVersion/localTablesVersion
 	* Added CDI function cdiDefKeyInt()/cdiInqKeyInt()
 

src/stream_gribapi.c

@@ -2351,7 +2351,7 @@ void gribapiDefLevel(int editionNumber, grib_handle *gh, int zaxisID, int levelI
     }
 
   long grib_ltype = (editionNumber <= 1) ? zaxisTypeToGrib1ltype(zaxistype) : zaxisTypeToGrib2ltype(zaxistype);
-  // long grib_ltype2 = (ltype != ltype2) ? ltype2 : grib_ltype;
+  long grib_ltype2 = (ltype != ltype2) ? ltype2 : grib_ltype;
 
   switch (zaxistype)
     {
@@ -2415,7 +2415,7 @@ void gribapiDefLevel(int editionNumber, grib_handle *gh, int zaxisID, int levelI
         if ( editionNumber <= 1 )
           grib1DefLevel(gh, gcinit, grib_ltype, lbounds, level, dlevel1, dlevel2);
         else
-          grib2DefLevel(gh, gcinit, grib_ltype, grib_ltype, lbounds, level, dlevel1, dlevel2);
+          grib2DefLevel(gh, gcinit, grib_ltype, grib_ltype2, lbounds, level, dlevel1, dlevel2);
 
         break;
       }