macosx: don't release a window on close, if you want to re-use it

extras/package/macosx/Resources/English.lproj/AudioEffects.nib/designable.nib

@@ -2,10 +2,10 @@
 <archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.10">
   <data>
     <int key="IBDocument.SystemTarget">1060</int>
-		<string key="IBDocument.SystemVersion">10J869</string>
+    <string key="IBDocument.SystemVersion">11A444d</string>
     <string key="IBDocument.InterfaceBuilderVersion">851</string>
-		<string key="IBDocument.AppKitVersion">1038.35</string>
-		<string key="IBDocument.HIToolboxVersion">461.00</string>
+    <string key="IBDocument.AppKitVersion">1119.1</string>
+    <string key="IBDocument.HIToolboxVersion">555.00</string>
     <object class="NSMutableDictionary" key="IBDocument.PluginVersions">
       <bool key="EncodedWithXMLCoder">YES</bool>
       <object class="NSArray" key="dict.sortedKeys">
@@ -47,11 +47,12 @@
         <int key="NSWindowStyleMask">8211</int>
         <int key="NSWindowBacking">2</int>
         <string key="NSWindowRect">{{196, 280}, {426, 230}}</string>
-				<int key="NSWTFlags">544735232</int>
+        <int key="NSWTFlags">-260571136</int>
         <string key="NSWindowTitle">Audio Effects</string>
         <string key="NSWindowClass">NSPanel</string>
         <nil key="NSViewClass"/>
-				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
+        <nil key="NSUserInterfaceItemIdentifier"/>
+        <string key="NSWindowContentMaxSize">{1.7976931348623157e+308, 1.7976931348623157e+308}</string>
         <object class="NSView" key="NSWindowView" id="1006">
           <reference key="NSNextResponder"/>
           <int key="NSvFlags">256</int>
@@ -84,7 +85,7 @@
                           <object class="NSFont" key="NSSupport" id="22">
                             <string key="NSName">LucidaGrande</string>
                             <double key="NSSize">9</double>
-														<int key="NSfFlags">3614</int>
+                            <int key="NSfFlags">3600</int>
                           </object>
                           <reference key="NSControlView" ref="694598795"/>
                           <object class="NSColor" key="NSBackgroundColor" id="423257821">
@@ -327,7 +328,7 @@
                           <object class="NSFont" key="NSSupport" id="26">
                             <string key="NSName">LucidaGrande</string>
                             <double key="NSSize">11</double>
-														<int key="NSfFlags">3100</int>
+                            <int key="NSfFlags">3088</int>
                           </object>
                           <reference key="NSControlView" ref="931005261"/>
                           <int key="NSButtonFlags">109199615</int>
@@ -1803,7 +1804,7 @@ AADzUQABAAAAARbMY3VydgAAAAAAAAABAc0AAA</bytes>
               <object class="NSFont" key="NSFont">
                 <string key="NSName">LucidaGrande</string>
                 <double key="NSSize">13</double>
-								<int key="NSfFlags">1044</int>
+                <int key="NSfFlags">1040</int>
               </object>
               <int key="NSTvFlags">0</int>
               <bool key="NSAllowTruncatedLabels">YES</bool>
@@ -1819,8 +1820,9 @@ AADzUQABAAAAARbMY3VydgAAAAAAAAABAc0AAA</bytes>
           <reference key="NSSuperview"/>
         </object>
         <string key="NSScreenRect">{{0, 0}, {1680, 1028}}</string>
-				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
+        <string key="NSMaxSize">{1.7976931348623157e+308, 1.7976931348623157e+308}</string>
         <string key="NSFrameAutosaveName">audioeffects</string>
+        <bool key="NSWindowIsRestorable">YES</bool>
       </object>
       <object class="NSUserDefaultsController" id="978847006">
         <bool key="NSSharedInstance">YES</bool>