grib2: use URL syntax for reference_link

src/stream.c

@@ -959,19 +959,19 @@ int streamOpenRead(const char *filenames)
 {
   int filetype, byteorder;
   int streamID;
-  int num_fnames;
+  int num_fnames = 0;
   char *fnames[MAX_FNAMES];
   const char *filename;
   stream_t *streamptr = NULL;
 
-  num_fnames = get_fnames(filenames, fnames, MAX_FNAMES);
+  //num_fnames = get_fnames(filenames, fnames, MAX_FNAMES);
 
   if ( num_fnames == 0 )
     filename = filenames;
   else
     {
       int i; 
-      for ( i = 0; i < num_fnames; ++i) printf("fnames: %d %s\n", i, fnames[i]);
+      for ( i = 0; i < num_fnames; ++i ) printf("fnames: %d %s\n", i, fnames[i]);
       filename = fnames[0];
     }
 

src/stream_gribapi.c

@@ -584,7 +584,7 @@ void gribapiAddRecord(int streamID, int param, grib_handle *gh,
 	    if ( grib_get_long(gh, "numberOfGridInReference", &lpar) == 0 ) grid.position = lpar;
 	    if ( grib_get_string(gh, "gridDescriptionFile", reference_link, &len) == 0 )
 	      {
-		if ( strncmp(reference_link, "file:/", 6) == 0 )
+		if ( strncmp(reference_link, "file://", 7) == 0 )
 		  grid.reference = strdupx(reference_link);
 	      }
 	  }