Qt build fix on Mac OS X

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@50807 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/JavaScriptCore/jsc.pro b/JavaScriptCore/jsc.pro
index c6efabc..4e6ca5f 100644
--- a/JavaScriptCore/jsc.pro
+++ b/JavaScriptCore/jsc.pro
@@ -33,3 +33,7 @@
 symbian {
     TARGET.CAPABILITY = ReadUserData WriteUserData NetworkServices
 }
+
+mac {
+    LIBS_PRIVATE += -framework AppKit
+}
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