Fix NPE when trying to add image to non-existent series.

Author: php-coder

src/main/java/ru/mystamps/web/controller/SeriesController.java

@@ -209,6 +209,11 @@ public String processImage(
 			HttpServletResponse response)
 			throws IOException {
 
+		if (series == null) {
+			response.sendError(HttpServletResponse.SC_NOT_FOUND);
+			return null;
+		}
+		
 		model.addAttribute("series", series);
 		model.addAttribute("michelNumbers", CatalogUtils.toShortForm(series.getMichel()));
 		model.addAttribute("scottNumbers", CatalogUtils.toShortForm(series.getScott()));
@@ -226,11 +231,6 @@ public String processImage(
 			return "series/info";
 		}
 
-		if (series == null) {
-			response.sendError(HttpServletResponse.SC_NOT_FOUND);
-			return null;
-		}
-		
 		seriesService.addImageToSeries(form, series, currentUser);
 
 		return redirectTo(Url.INFO_SERIES_PAGE, series.getId());