Move MessageUI framework to Frameworks dir: moved by mistake in previous commit

VLC for iOS.xcodeproj/project.pbxproj

@@ -759,7 +759,6 @@
 		7D94FCD216DE7D1000F2623B = {
 			isa = PBXGroup;
 			children = (
-				7D6B08F9174D716200A05173 /* MessageUI.framework */,
 				7D94FCE416DE7D1000F2623B /* AspenProject */,
 				CC1BBC441704936500A20CBF /* External VLC Libraries */,
 				7D94FCDD16DE7D1000F2623B /* Frameworks */,
@@ -778,6 +777,7 @@
 		7D94FCDD16DE7D1000F2623B /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				7D6B08F9174D716200A05173 /* MessageUI.framework */,
 				7D3EB013174A353E002062C2 /* SystemConfiguration.framework */,
 				7D05ADEA174945CE0087550C /* DropboxSDK.framework */,
 				2915544217490D4A00B86CAD /* Security.framework */,