Cleanup: Formatting

Run `make format` after the library update in the previous commit.

intern/guardedalloc/MEM_guardedalloc.h

@@ -248,7 +248,7 @@ extern size_t (*MEM_get_peak_memory)(void) ATTR_WARN_UNUSED_RESULT;
 
 /** Overhead for lockfree allocator (use to avoid slop-space). */
 #define MEM_SIZE_OVERHEAD sizeof(size_t)
-#define MEM_SIZE_OPTIMAL(size) ((size)-MEM_SIZE_OVERHEAD)
+#define MEM_SIZE_OPTIMAL(size) ((size) - MEM_SIZE_OVERHEAD)
 
 #ifndef NDEBUG
 extern const char *(*MEM_name_ptr)(void *vmemh);

intern/guardedalloc/intern/mallocn_intern.hh

@@ -69,7 +69,7 @@ size_t malloc_usable_size(void *ptr);
 #  define MEM_INLINE static inline
 #endif
 
-#define IS_POW2(a) (((a) & ((a)-1)) == 0)
+#define IS_POW2(a) (((a) & ((a) - 1)) == 0)
 
 /* Extra padding which needs to be applied on MemHead to make it aligned. */
 #define MEMHEAD_ALIGN_PADDING(alignment) \