Fix missing header

Header file ordering hid a missing list structure definition.

Signed-off-by: William Douglas <william.douglas@intel.com>

src/swupd_lib/heuristics.c

@@ -27,7 +27,6 @@
 #include <unistd.h>
 
 #include "heuristics.h"
-#include "swupd.h"
 
 typedef int (*compare_fn_t)(const char *s1, const char *s2);
 typedef void (*apply_fn_t)(struct file *f);

src/swupd_lib/heuristics.h

@@ -10,6 +10,8 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+#include "swupd.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif