avcodec/aacps_tablegen: fix build error after avutil bump

Fix tickets #10225

DECLARE_ALIGNED has been moved to mem_internal.h.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
Reviewed-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit 814178f926)

libavcodec/aacps_tablegen.h

@@ -34,7 +34,7 @@
 #include "libavutil/common.h"
 #include "libavutil/libm.h"
 #include "libavutil/mathematics.h"
-#include "libavutil/mem.h"
+#include "libavutil/mem_internal.h"
 #define NR_ALLPASS_BANDS20 30
 #define NR_ALLPASS_BANDS34 50
 #define PS_AP_LINKS 3