lavu/common.h: Fix UB in av_clip_uintp2_c()
Found by value analysis
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@ -279,8 +279,8 @@ static av_always_inline av_const int av_clip_intp2_c(int a, int p)
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*/
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static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
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{
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if (a & ~((1<<p) - 1)) return (~a) >> 31 & ((1<<p) - 1);
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else return a;
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if (a & ~((1U<<p) - 1)) return (~a) >> 31 & ((1U<<p) - 1);
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else return a;
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}
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/**
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