Reorder structure members to account for alignment

Author: SakiTakamachi

ext/bcmath/libbcmath/src/bcmath.h

@@ -39,16 +39,16 @@ typedef enum {PLUS, MINUS} sign;
 typedef struct bc_struct *bc_num;
 
 typedef struct bc_struct {
-	sign   n_sign;
 	size_t n_len;   /* The number of digits before the decimal point. */
 	size_t n_scale; /* The number of digits after the decimal point. */
-	int    n_refs;  /* The number of pointers to this number. */
 	char  *n_ptr;   /* The pointer to the actual storage.
 	                  If NULL, n_value points to the inside of another number
 	                  (bc_multiply...) and should not be "freed." */
 	char  *n_value; /* The number. Not zero char terminated.
 	                   May not point to the same place as n_ptr as
 	                   in the case of leading zeros generated. */
+	int    n_refs;  /* The number of pointers to this number. */
+	sign   n_sign;
 } bc_struct;
 
 #ifdef HAVE_CONFIG_H