Reorder calloc(3) arguments

Please GCC:

    In file included from /usr/include/php/20220829/Zend/zend.h:30,
                     from /usr/include/php/20220829/main/php.h:31,
                     from /usr/include/php/20220829/main/SAPI.h:20,
                     from src/php_snuffleupagus.h:37,
                     from src/sp_ifilter.c:1:
    src/sp_pcre_compat.h: In function 'sp_regexp_compile':
    src/sp_pcre_compat.h:38:36: warning: '__zend_calloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args]
       38 |   sp_regexp *ret = pecalloc(sizeof(sp_regexp), 1, 1);
          |                                    ^~~~~~~~~
    /usr/include/php/20220829/Zend/zend_alloc.h:199:72: note: in definition of macro 'pecalloc'
      199 | #define pecalloc(nmemb, size, persistent) ((persistent)?__zend_calloc((nmemb), (size)):ecalloc((nmemb), (size)))
          |                                                                        ^~~~~
    src/sp_pcre_compat.h:38:36: note: earlier argument should specify number of elements, later size of each element
       38 |   sp_regexp *ret = pecalloc(sizeof(sp_regexp), 1, 1);
          |                                    ^~~~~~~~~
    /usr/include/php/20220829/Zend/zend_alloc.h:199:72: note: in definition of macro 'pecalloc'
      199 | #define pecalloc(nmemb, size, persistent) ((persistent)?__zend_calloc((nmemb), (size)):ecalloc((nmemb), (size)))
          |                                                                        ^~~~~

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sp_tree.c b/src/sp_tree.c
index 55b6ff4..32394e1 100644
--- a/src/sp_tree.c
+++ b/src/sp_tree.c
@@ -12,7 +12,7 @@ void sp_tree_free(sp_tree *tree) {
 }
 
 sp_tree *sp_tree_new() {
-  sp_tree *new = pecalloc(sizeof(sp_tree), 1, 1);
+  sp_tree *new = pecalloc(1, sizeof(sp_tree), 1);
   new->next = new->idx = NULL;
   new->value = NULL;
   new->type = UNDEFINED;