fix error

openfold/utils/kernel/csrc/softmax_cuda_kernel.cu

@@ -32,7 +32,7 @@
 
 __inline__ __device__ float WarpAllReduceMax(float val) {
     for (int mask = 1; mask < 32; mask *= 2) {
-        val = max(val, __shfl_xorc(val, mask));
+        val = max(val, __shfl_xor(val, mask));
     }
     return val;
 }