ImageServiceImpl.save(): use English locale instead of US.

Should be in 818e92b commit.

No functional changes.

Author: php-coder

src/main/java/ru/mystamps/web/service/ImageServiceImpl.java

@@ -65,7 +65,7 @@ public Integer save(MultipartFile file) {
 				contentType, extension
 		);
 
-		String imageType = extension.toUpperCase(Locale.US);
+		String imageType = extension.toUpperCase(Locale.ENGLISH);
 
 		Integer imageId = imageDao.add(imageType);
 		if (imageId == null) {