Revert protocol 69 pending further discussion (#4962)

code/qcommon/q_shared.c

@@ -962,7 +962,7 @@ int Q_CountChar(const char *string, char tocount)
 	return count;
 }
 
-int QDECL Com_sprintf(char *dest, int size, const char *fmt, ...)
+void QDECL Com_sprintf(char *dest, int size, const char *fmt, ...)
 {
 	int		len;
 	va_list		argptr;
@@ -973,8 +973,6 @@ int QDECL Com_sprintf(char *dest, int size, const char *fmt, ...)
 
 	if(len >= size)
 		Com_Printf("Com_sprintf: Output length %d too short, require %d bytes.\n", size, len);
-	
-	return len;
 }
 
 /*