[atomics.types.pointer] Fix indentation (#8779)

Author: Andreas-Krug

source/threads.tex

@@ -5744,11 +5744,11 @@
     bool compare_exchange_weak(T*&, T*,
                                memory_order = memory_order::seq_cst) volatile noexcept;
     constexpr bool compare_exchange_weak(T*&, T*,
-                               memory_order = memory_order::seq_cst) noexcept;
+                                         memory_order = memory_order::seq_cst) noexcept;
     bool compare_exchange_strong(T*&, T*,
                                  memory_order = memory_order::seq_cst) volatile noexcept;
     constexpr bool compare_exchange_strong(T*&, T*,
-                                 memory_order = memory_order::seq_cst) noexcept;
+                                           memory_order = memory_order::seq_cst) noexcept;
 
     T* fetch_add(ptrdiff_t, memory_order = memory_order::seq_cst) volatile noexcept;
     constexpr T* fetch_add(ptrdiff_t, memory_order = memory_order::seq_cst) noexcept;