Fix a typo in the BSD patchset.

PR:		ports/153421
Submitted by:	Alexander Vasyanin (avasyanin at gmail dot com)

java/openjdk6/Makefile

@@ -7,7 +7,7 @@
 
 PORTNAME=	openjdk6
 PORTVERSION=	b20
-PORTREVISION=	5
+PORTREVISION=	6
 CATEGORIES=	java devel
 MASTER_SITES=	http://download.java.net/openjdk/jdk6/promoted/${PORTVERSION}/ \
 		https://jaxp.dev.java.net/files/documents/913/150648/:jaxp \

java/openjdk6/files/patch-set

@@ -15184,7 +15184,7 @@
 +            return tz;
 +        } else {
 +            if (lstat(zoneinfo_file, &statbuf) == -1) {
-+                retuen NULL;
++                return NULL;
 +            }
          }
 -        return tz;