Fix test WS

Author: jack-slingsby

mlir/test/Dialect/Index/inliner-interface.mlir

@@ -2,13 +2,13 @@
 
 // CHECK-LABEL: @main
 func.func @main(%arg0: i32) -> index {
-		// CHECK-NOT: call
-		// CHECK: index.castu
-    %0 = call @f(%arg0) : (i32) -> index
-    return %0 : index
+  // CHECK-NOT: call
+  // CHECK: index.castu
+  %0 = call @f(%arg0) : (i32) -> index
+  return %0 : index
 }
 
 func.func @f(%arg0: i32) -> index {
-    %0 = index.castu %arg0 : i32 to index
-    return %0 : index
+  %0 = index.castu %arg0 : i32 to index
+  return %0 : index
 }