fft: export the FFTW malloc and free helper functions.

1 files changed, 3 insertions, 3 deletions

diff --git a/gr-fft/include/fft/fft.h b/gr-fft/include/fft/fft.h
index 5cc2e21e8..e3fd3f278 100644
--- a/gr-fft/include/fft/fft.h
+++ b/gr-fft/include/fft/fft.h
@@ -37,15 +37,15 @@ namespace gr {
 
     /*! \brief Helper function for allocating complex fft buffers
      */
-    gr_complex* malloc_complex(int size);
+    FFT_API gr_complex* malloc_complex(int size);
 
     /*! \brief Helper function for allocating float fft buffers
      */
-    float* malloc_float(int size);
+    FFT_API float* malloc_float(int size);
     
     /*! \brief Helper function for freeing fft buffers
      */
-    void free(void *b);
+    FFT_API void free(void *b);
 
     /*!
      * \brief Export reference to planner mutex for those apps that