libopenbmc_intf include path update

Remove the interfaces prefix from applications including openbmc_intf.h.

Use brackets rather than quotes in prep for a libopenbmc_intf SDK
package.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/rstbutton/button_reset_obj.c b/rstbutton/button_reset_obj.c
index a9321e3..731ecce 100644
--- a/rstbutton/button_reset_obj.c
+++ b/rstbutton/button_reset_obj.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
-#include "interfaces/openbmc_intf.h"
-#include "gpio.h"
-#include "openbmc.h"
+#include <openbmc_intf.h>
+#include <gpio.h>
+#include <openbmc.h>
 
 /* ------------------------------------------------------------------------- */
 static const gchar* dbus_object_path = "/org/openbmc/buttons";