Update Ctags.java to address Issue 2804 (#2807)

fixes #2804

Author: IamTHEvilONE

opengrok-indexer/src/main/java/org/opengrok/indexer/analysis/Ctags.java

@@ -329,7 +329,7 @@ private void addScalaSupport(List<String> command) {
         command.add("--regex-scala=/^[[:space:]]*((abstract|final|sealed|implicit|lazy)[[:space:]]*)*(private|protected)?[[:space:]]*case object[[:space:]]+([a-zA-Z0-9_]+)/\\4/O,case objects/");
         command.add("--regex-scala=/^[[:space:]]*((abstract|final|sealed|implicit|lazy)[[:space:]]*)*(private|protected)?[[:space:]]*trait[[:space:]]+([a-zA-Z0-9_]+)/\\4/t,traits/");
         command.add("--regex-scala=/^[[:space:]]*type[[:space:]]+([a-zA-Z0-9_]+)/\\1/T,types/");
-        command.add("--regex-scala=/^[[:space:]]*((abstract|final|sealed|implicit|lazy)[[:space:]]*)*def[[:space:]]+([a-zA-Z0-9_]+)/\\3/m,methods/");
+        command.add("--regex-scala=/^[[:space:]]*((abstract|final|sealed|implicit|lazy|private|protected)[[:space:]]*)*def[[:space:]]+([a-zA-Z0-9_]+)/\\3/m,methods/");
         command.add("--regex-scala=/^[[:space:]]*((abstract|final|sealed|implicit|lazy)[[:space:]]*)*val[[:space:]]+([a-zA-Z0-9_]+)/\\3/l,constants/");
         command.add("--regex-scala=/^[[:space:]]*((abstract|final|sealed|implicit|lazy)[[:space:]]*)*var[[:space:]]+([a-zA-Z0-9_]+)/\\3/v,variables/");
         command.add("--regex-scala=/^[[:space:]]*package[[:space:]]+([a-zA-Z0-9_.]+)/\\1/p,packages/");