diff: disable checkrel

ChangeLog

@@ -3,6 +3,10 @@
 	* using CDI library version 1.7.0
 	* Version 1.7.0 released
 
+2015-06-03  Uwe Schulzweida
+
+	* diff: disable checkrel
+
 2015-06-10  Karl-Hermann Wieners
 
 	* expr: operators return 0 for arithmetics on constants [Bug #5875]

src/Diff.c

@@ -119,6 +119,7 @@ void *Diff(void *argument)
 	  missval2 = vlistInqVarMissval(vlistID2, varID2);
 
 	  checkrel = gridInqType(gridID) != GRID_SPECTRAL;
+          checkrel = FALSE;
 
 	  cdiParamToString(param, paramstr, sizeof(paramstr));