Clang format.

src/test/func/thread_alloc_external/thread_alloc_external.cc

@@ -14,7 +14,7 @@ public:
     {
       return alloc;
     }
- 
+
     alloc = current_alloc_pool()->acquire();
     return alloc;
   }
@@ -31,13 +31,13 @@ int main()
   // 28 is large enough to produce a nested allocator.
   // It is also large enough for the example to run in.
   // For 1MiB superslabs, SUPERSLAB_BITS + 4 is not big enough for the example.
- 
+
   auto a = ThreadAlloc::get();
 
   for (size_t i = 0; i < 1000; i++)
   {
     auto r1 = a->alloc(100);
- 
+
     a->dealloc(r1);
   }
 }