Fix FTBFS due missing include

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

kernel/kls_pix/fmt_codec_pix_defs.h

@@ -20,6 +20,7 @@
 */
 
 #include <stdlib.h>
+#include <sys/types.h>
 
 #ifndef KSQUIRREL_READ_IMAGE_pix
 #define KSQUIRREL_READ_IMAGE_pix

kernel/kls_tga/fmt_codec_tga.cpp

@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <sys/types.h>
 
 #include "ksquirrel-libs/fmt_types.h"
 #include "ksquirrel-libs/fileio.h"