add switch_ivr.h include to switch.h

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@450 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch.h

@@ -65,6 +65,7 @@ extern "C" {
 #include <switch_buffer.h>
 #include <switch_event.h>
 #include <switch_resample.h>
+#include <switch_ivr.h>
 #ifdef __cplusplus
 }
 #endif