Renamed CDI_KEY_MAPPING to CDI_KEY_GRIDMAP_VARNAME.

app/printinfo.c

@@ -304,7 +304,7 @@ printGridInfoKernel(int gridID, int index, bool lproj)
 
       char name[CDI_MAX_NAME];
       name[0] = 0;
-      cdiGridInqKeyStr(gridID, CDI_KEY_MAPNAME, CDI_MAX_NAME, name);
+      cdiGridInqKeyStr(gridID, CDI_KEY_GRIDMAP_NAME, CDI_MAX_NAME, name);
       if (gridtype == GRID_PROJECTION || name[0])
         {
           if (name[0] == 0) strcpy(name, "undefined");