libsubid: Fix code style issues

lib/subordinateio.c

@@ -1117,7 +1117,8 @@ bool release_subid_range(struct subordinate_range *range, enum subid_type id_typ
 	return ret;
 }
 
-void free_subid_pointer(void *ptr) {
+void free_subid_pointer(void *ptr)
+{
 	struct subid_nss_ops *h = get_subid_nss_handle();
 	if (h) {
 		h->free(ptr);

libsubid/api.c

@@ -42,7 +42,8 @@ bool subid_init(const char *progname, FILE * logfd)
 	return true;
 }
 
-void subid_free(void *ptr) {
+void subid_free(void *ptr)
+{
 	free_subid_pointer(ptr);
 }
 

tests/libsubid/04_nss/libsubid_zzz.c

@@ -139,6 +139,7 @@ enum subid_status shadow_subid_list_owner_ranges(const char *owner, enum subid_t
 	return SUBID_STATUS_SUCCESS;
 }
 
-void shadow_subid_free(void *ptr) {
+void shadow_subid_free(void *ptr)
+{
 	free(ptr);
 }