gridGenYvals: bug fix [Bug #6373]

ChangeLog

@@ -3,6 +3,10 @@
 	* Version 1.7.1 released
         * using CGRIBEX library version 1.7.4
 
+2015-12-10  Uwe Schulzweida
+
+	* gridGenYvals: bug fix [Bug #6373]
+
 2015-11-25  Uwe Schulzweida
 
 	* cdfDefXaxis/cdfDefXaxis: generate bounds for CDI_cmor_mode

src/grid.c

@@ -423,7 +423,7 @@ void gridGenYvals(int gridtype, int ysize, double yfirst, double ylast, double y
 	      {
 		double *restrict ytmp = NULL;
 		int nstart, lfound = 0;
-		int ny = (int) (180./fabs(ylast-yfirst)/(ysize-1) + 0.5);
+		int ny = (int) (180./(fabs(ylast-yfirst)/(ysize-1)) + 0.5);
 		ny -= ny%2;
 		if ( ny > ysize && ny < 4096 )
 		  {