msContourLayerGenerateContour(): fix crash with GDAL trunk

rouault · rouault · commit 28d8be35ba42 · 2014-09-20T14:07:31.000+02:00
diff --git a/mapcontour.c b/mapcontour.c
@@ -548,7 +548,7 @@ static int msContourLayerGenerateContour(layerObj *layer)
     return MS_FAILURE;
   }
 
-  clinfo->hOGRDS = OGR_Dr_CreateDataSource(hDriver, NULL, NULL);
+  clinfo->hOGRDS = OGR_Dr_CreateDataSource(hDriver, "", NULL);
   if (clinfo->hOGRDS == NULL) {
     msSetError(MS_OGRERR,
                "Unable to create OGR DataSource.",

Original file line number	Diff line number	Diff line change
`@@ -548,7 +548,7 @@ static int msContourLayerGenerateContour(layerObj *layer)`
`548`	`548`	`return MS_FAILURE;`
`549`	`549`	`}`
`550`	`550`
`551`		`- clinfo->hOGRDS = OGR_Dr_CreateDataSource(hDriver, NULL, NULL);`
	`551`	`+ clinfo->hOGRDS = OGR_Dr_CreateDataSource(hDriver, "", NULL);`
`552`	`552`	`if (clinfo->hOGRDS == NULL) {`
`553`	`553`	`msSetError(MS_OGRERR,`
`554`	`554`	`"Unable to create OGR DataSource.",`