Fix a nasty nasty Mac issue that somehow (uh-oh) slipped through testing

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/branches@8224 b35dd754-fafc-0310-a699-88a17e54d16e

3_3_1_branch/build/osx/org.jivesoftware.openfire.plist

@@ -6,8 +6,8 @@
 	<false/>
 	<key>EnvironmentVariables</key>
 	<dict>
-		<key>WILDFIRE_HOME</key>
-		<string>/usr/local/wildfire/</string>
+		<key>OPENFIRE_HOME</key>
+		<string>/usr/local/openfire/</string>
 	</dict>
 	<key>Label</key>
 	<string>org.jivesoftware.openfire</string>