fix indents

Author: adistomar

reduce_scatter.cu

@@ -76,10 +76,10 @@ void initializeData(bfloat16 *data, int size) {
 
 void custom_bf16_sum(void *invec, void *inoutvec, int *len, MPI_Datatype *datatype) {
     bfloat16* in = (bfloat16*) invec;
-	bfloat16* inout = (bfloat16*) inoutvec;
-	for (int i = 0; i < *len; i++) {
+    bfloat16* inout = (bfloat16*) inoutvec;
+    for (int i = 0; i < *len; i++) {
         #ifdef USE_CUDA
-	    inout[i] = __hadd(in[i], inout[i]);
+        inout[i] = __hadd(in[i], inout[i]);
         #elif USE_ROCM
         inout[i] = in[i] + inout[i];
         #endif