Fix SWIG on 16.04. Not sure how this didn't get propagated.

swig/CMakeLists.txt

@@ -39,7 +39,7 @@ set(GR_SWIG_LIBRARIES air_modes)
 #set(GR_SWIG_DOC_FILE ${CMAKE_CURRENT_BINARY_DIR}/gr-air-modes_swig_doc.i)
 #set(GR_SWIG_DOC_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/../include)
 
-GR_SWIG_MAKE(air_modes_swig air_modes.i)
+GR_SWIG_MAKE(air_modes_swig air_modes_swig.i)
 
 ########################################################################
 # Install the build swig module

swig/air_modes.i

@@ -1,17 +0,0 @@
-/* -*- c++ -*- */
-
-#define AIR_MODES_API
-
-%include "gnuradio.i"
-
-%{
-#include "gr_air_modes/preamble.h"
-#include "gr_air_modes/slicer.h"
-%}
-
-%include "gr_air_modes/preamble.h"
-%include "gr_air_modes/slicer.h"
-
-GR_SWIG_BLOCK_MAGIC2(air_modes,preamble);
-GR_SWIG_BLOCK_MAGIC2(air_modes,slicer);
-