dirent usage cleanup

We were including the header in a lot of places it is no longer used.
Additionally, use the correct autoconf macro for determining whether
d_type is available as a member: HAVE_STRUCT_DIRENT_D_TYPE.

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

configure.ac

@@ -179,6 +179,7 @@ AC_TYPE_PID_T
 AC_TYPE_SIZE_T
 AC_STRUCT_TM
 AC_TYPE_UID_T
+AC_STRUCT_DIRENT_D_TYPE
 
 # Checks for library functions.
 AC_FUNC_FORK

lib/libalpm/be_local.c

@@ -340,7 +340,7 @@ static int checkdbdir(pmdb_t *db)
 
 static int is_dir(const char *path, struct dirent *entry)
 {
-#ifdef DT_DIR
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
 	return(entry->d_type == DT_DIR);
 #else
 	char buffer[PATH_MAX];

lib/libalpm/be_sync.c

@@ -21,7 +21,6 @@
 #include "config.h"
 
 #include <errno.h>
-#include <dirent.h>
 #include <ctype.h>
 #include <locale.h>
 

lib/libalpm/db.c

@@ -29,7 +29,6 @@
 #include <errno.h>
 #include <string.h>
 #include <sys/stat.h>
-#include <dirent.h>
 #include <regex.h>
 #include <time.h>
 

lib/libalpm/sync.c

@@ -31,7 +31,6 @@
 #include <stdint.h> /* intmax_t */
 #include <unistd.h>
 #include <time.h>
-#include <dirent.h>
 
 /* libalpm */
 #include "sync.h"

src/pacman/callback.c

@@ -26,7 +26,6 @@
 #include <sys/time.h>
 #include <sys/types.h> /* off_t */
 #include <unistd.h>
-#include <dirent.h>
 #include <wchar.h>
 
 #include <alpm.h>