Reorder arguments for calloc()-like functions, part #2

To appease gcc-14's -Wcalloc-transposed-args check.

Follow-up for 2a9ab0974b.

src/boot/efi/util.h

@@ -36,7 +36,7 @@ static inline void *xmalloc(size_t size) {
 }
 
 _malloc_ _alloc_(1, 2) _returns_nonnull_ _warn_unused_result_
-static inline void *xmalloc_multiply(size_t size, size_t n) {
+static inline void *xmalloc_multiply(size_t n, size_t size) {
         assert_se(!__builtin_mul_overflow(size, n, &size));
         return xmalloc(size);
 }
@@ -57,7 +57,7 @@ static inline void* xmemdup(const void *p, size_t l) {
         return memcpy(xmalloc(l), p, l);
 }
 
-#define xnew(type, n) ((type *) xmalloc_multiply(sizeof(type), (n)))
+#define xnew(type, n) ((type *) xmalloc_multiply((n), sizeof(type)))
 
 typedef struct {
         EFI_PHYSICAL_ADDRESS addr;