Shut up some Clang warnings

src/Backends/Rendering.h

@@ -8,7 +8,7 @@ typedef enum FontPixelMode
 {
 	FONT_PIXEL_MODE_LCD,
 	FONT_PIXEL_MODE_GRAY,
-	FONT_PIXEL_MODE_MONO,
+	FONT_PIXEL_MODE_MONO
 } FontPixelMode;
 
 typedef struct Backend_Surface Backend_Surface;

src/Draw.cpp

@@ -607,6 +607,8 @@ int RestoreSurfaces(void)	// Guessed function name - this doesn't exist in the L
 // TODO - Inaccurate stack frame
 void InitTextObject(const char *name)
 {
+	(void)name;	// Unused in this branch
+
 	size_t size;
 	const unsigned char *data = FindResource("FONT", "FONT", &size);