Fix package name: the pattern that gets replaced with the actual version

string at build time had been replaced by a version string from a test
version.

Reported by:	herbert@gojira.at (Herbert J. Skuhra)
Approved by:	antoine (implicit)

ports-mgmt/portmaster/files/patch-portmaster

@@ -1,14 +1,5 @@
 --- portmaster.orig	2017-12-21 09:02:44 UTC
 +++ portmaster
-@@ -51,7 +51,7 @@ fi
- #=============== Begin functions we always want to have ===============
- 
- version () {
--	local pkgname="%%PKGNAME%%"
-+	local pkgname="portmaster-3.18_4"
- 	echo '' ; echo "===>>> Version ${pkgname##*-}"
- 	#svn='$FreeBSD: user/dougb/portmaster/portmaster 241090 2012-10-01 08:32:05Z dougb $'
- }
 @@ -113,13 +113,13 @@ kill_bad_children () {
  		[ "$pid" -gt 25 ] || continue
  		case "$ppid" in