Bug 307156, Mac "Get Info" copyright is wrong. [s]r=mscott

mail/app/macbuild/Contents/Info.plist.in

@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>thunderbird-bin</string>
 	<key>CFBundleGetInfoString</key>
-	<string>Thunderbird APP_VERSION, © 2005 The Mozilla Organization</string>
+	<string>Thunderbird APP_VERSION, © 1998-2005 Contributors</string>
 	<key>CFBundleIconFile</key>
 	<string>thunderbird</string>
 	<key>CFBundleIdentifier</key>