Settings.bundle: set correct data type for network caching default value

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

Resources/Settings.bundle/Root.inApp.plist

@@ -38,7 +38,7 @@
 			<key>Key</key>
 			<string>network-caching</string>
 			<key>DefaultValue</key>
-			<string>999</string>
+			<integer>999</integer>
 			<key>Titles</key>
 			<array>
 				<string>SETTINGS_NETWORK_CACHING_LEVEL_LOWEST</string>

Resources/Settings.bundle/Root.plist

@@ -28,7 +28,7 @@
 			<key>Key</key>
 			<string>network-caching</string>
 			<key>DefaultValue</key>
-			<string>999</string>
+			<integer>999</integer>
 			<key>Titles</key>
 			<array>
 				<string>SETTINGS_NETWORK_CACHING_LEVEL_LOWEST</string>