Add const keyword to the demo function parameters where possible.

Demos/Device/Incomplete/Sideshow/Lib/SideshowContent.h

@@ -116,7 +116,7 @@
 		#define XML_END_TAG           "</body>"
 	
 	/* Function Prototypes: */
-		bool SideShow_AddSimpleContent(SideShow_PacketHeader_t* PacketHeader, SideShow_Application_t* Application);
+		bool SideShow_AddSimpleContent(SideShow_PacketHeader_t* const PacketHeader, SideShow_Application_t* const Application);
 
 		#if defined(INCLUDE_FROM_SIDESHOWCONTENT_C)
 			static void SideShow_ProcessXMLContent(void* ContentData, uint32_t ContentSize);