SiteParser.setField(): correct error message.

Should be in 29f6dc9 commit.

No functional changes.

[ci skip]

Author: php-coder

src/main/java/ru/mystamps/web/util/extractor/SiteParser.java

@@ -44,8 +44,8 @@ public class SiteParser {
 	private String issueDateLocator;
 
 	public boolean setField(String name, String value) {
-		Validate.validState(StringUtils.isNotBlank(name), "Field name must be non-null");
-		Validate.validState(StringUtils.isNotBlank(value), "Field value must be non-null");
+		Validate.validState(StringUtils.isNotBlank(name), "Field name must be non-blank");
+		Validate.validState(StringUtils.isNotBlank(value), "Field value must be non-blank");
 
 		boolean valid = false;