merge Pkg into Private

this better represents the original source

compile/api/SameAPI.scala

@@ -171,7 +171,6 @@ class SameAPI(tagsA: TypeVars, tagsB: TypeVars, includePrivate: Boolean, include
 			case (_: Public, _: Public) => true
 			case (qa: Protected, qb: Protected) => sameQualifier(qa, qb)
 			case (qa: Private, qb: Private) => sameQualifier(qa, qb)
-			case (qa: Pkg, qb: Pkg) => sameQualifier(qa, qb)
 			case _ => debug(false, "Different access categories")
 		}
 	def sameQualifier(a: Qualified, b: Qualified): Boolean =

compile/api/ShowAPI.scala

@@ -78,7 +78,6 @@ trait ShowBase
 				{
 					case p: Protected => "protected"
 					case p: Private => "private"
-					case p: Pkg => "package"
 				})
 				+ sq.show(q.qualifier) )
 		}

compile/interface/API.scala

@@ -198,9 +198,8 @@ final class API(val global: Global, val callback: xsbti.AnalysisCallback) extend
 		{
 			val within = c.privateWithin
 			val qualifier = if(within == NoSymbol) Constants.unqualified else new xsbti.api.IdQualifier(fullName(within))
-			if(c.hasFlag(Flags.PRIVATE)) new xsbti.api.Private(qualifier)
-			else if(c.hasFlag(Flags.PROTECTED)) new xsbti.api.Protected(qualifier)
-			else new xsbti.api.Pkg(qualifier)
+			if(c.hasFlag(Flags.PROTECTED)) new xsbti.api.Protected(qualifier)
+			else new xsbti.api.Private(qualifier)
 		}
 	}
 	

interface/other

@@ -11,7 +11,6 @@ Access
 		qualifier: Qualifier
 		Protected
 		Private
-		Pkg
 
 Qualifier
 	Unqualified