- Fix data alignment issue with glReadPixel call, reported by Guillaume Bougard (#4954)

- Fix data alignment issue in raw AVI recording for weird resolutions (like 1366x768)

code/qcommon/qcommon.h

@@ -1008,6 +1008,9 @@ void S_ClearSoundBuffer( void );
 
 void SCR_DebugGraph (float value, int color);	// FIXME: move logging to common?
 
+// AVI files have the start of pixel lines 4 byte-aligned
+#define AVI_LINE_PADDING 4
+
 //
 // server interface
 //