Include "config.h" in header files using off_t

This makes it absolutely dead easy to ensure off_t has the same length
in all compilation units. I just spent 2.5 hours bashing my head on an
issue related to this so damn it I'm fixing it for good.

Signed-off-by: Dan McGee <dan@archlinux.org>

lib/libalpm/delta.h

@@ -20,6 +20,8 @@
 #ifndef _ALPM_DELTA_H
 #define _ALPM_DELTA_H
 
+#include "config.h" /* ensure off_t is correct length */
+
 #include <sys/types.h> /* off_t */
 
 #include "alpm.h"
@@ -29,12 +31,12 @@ struct __pmdelta_t {
 	char *delta;
 	/** md5sum of the delta file */
 	char *delta_md5;
-	/** filesize of the delta file */
-	off_t delta_size;
 	/** filename of the 'before' file */
 	char *from;
 	/** filename of the 'after' file */
 	char *to;
+	/** filesize of the delta file */
+	off_t delta_size;
 	/** download filesize of the delta file */
 	off_t download_size;
 };

lib/libalpm/graph.h

@@ -19,6 +19,8 @@
 #ifndef _ALPM_GRAPH_H
 #define _ALPM_GRAPH_H
 
+#include "config.h" /* ensure off_t is correct length */
+
 #include <sys/types.h> /* off_t */
 
 #include "alpm_list.h"

lib/libalpm/package.h

@@ -24,6 +24,8 @@
 #ifndef _ALPM_PACKAGE_H
 #define _ALPM_PACKAGE_H
 
+#include "config.h" /* ensure off_t is correct length */
+
 #include <sys/types.h> /* off_t */
 #include <time.h> /* time_t */