Fixes: negation of -2147483648 cannot be represented in type 'INTFLOAT' (aka 
'int'); cast to an unsigned type to negate this value to itself
Fixes: 
29057/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5642758933053440

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavcodec/aacdec_template.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index fbe3074071..532fcff499 100644
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -2903,7 +2903,7 @@ static void imdct_and_windowing_ld(AACContext *ac, 
SingleChannelElement *sce)
 
 static void imdct_and_windowing_eld(AACContext *ac, SingleChannelElement *sce)
 {
-    INTFLOAT *in    = sce->coeffs;
+    UINTFLOAT *in   = sce->coeffs;
     INTFLOAT *out   = sce->ret;
     INTFLOAT *saved = sce->saved;
     INTFLOAT *buf  = ac->buf_mdct;
-- 
2.17.1

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