Add missing @since tags for ObjectChecker.ErrorType

Change-Id: I4d0cd25d6cfaf8b81e58f35e58890ac580eaf9c6
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectChecker.java

@@ -174,13 +174,13 @@ public class ObjectChecker {
 		/***/ BAD_TIMEZONE,
 		/***/ MISSING_EMAIL,
 		/***/ MISSING_SPACE_BEFORE_DATE,
-		/***/ GITMODULES_BLOB,
+		/** @since 5.2 */ GITMODULES_BLOB,
-		/***/ GITMODULES_LARGE,
+		/** @since 5.2 */ GITMODULES_LARGE,
-		/***/ GITMODULES_NAME,
+		/** @since 5.2 */ GITMODULES_NAME,
-		/***/ GITMODULES_PARSE,
+		/** @since 5.2 */ GITMODULES_PARSE,
-		/***/ GITMODULES_PATH,
+		/** @since 5.2 */ GITMODULES_PATH,
-		/***/ GITMODULES_SYMLINK,
+		/** @since 5.2 */ GITMODULES_SYMLINK,
-		/***/ GITMODULES_URL,
+		/** @since 5.2 */ GITMODULES_URL,
 		/***/ UNKNOWN_TYPE,
 
 		// These are unique to JGit.