opkg: fix host compilation on Darwin (libopkg_test failed to link)

SVN-Revision: 22340

package/opkg/patches/013-fix-darwin-compile.patch

@@ -0,0 +1,30 @@
+--- a/libopkg/opkg_download.c
++++ b/libopkg/opkg_download.c
+@@ -21,6 +21,7 @@
+ 
+ #include <stdio.h>
+ #include <unistd.h>
++#include <libgen.h>
+ 
+ #include "opkg_download.h"
+ #include "opkg_message.h"
+--- a/libopkg/pkg.c
++++ b/libopkg/pkg.c
+@@ -21,6 +21,7 @@
+ #include <string.h>
+ #include <ctype.h>
+ #include <unistd.h>
++#include <libgen.h>
+ 
+ #include "pkg.h"
+ 
+--- a/tests/libopkg_test.c
++++ b/tests/libopkg_test.c
+@@ -5,6 +5,7 @@
+ 
+ #include <opkg.h>
+ 
++int opkg_state_changed;
+ pkg_t *find_pkg = NULL;
+ 
+