omxil: Make GetAudioParamSize nonstatic

It is useful in the IOMX wrapper.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/codec/omxil/omxil_utils.h

@@ -167,3 +167,4 @@ OMX_ERRORTYPE GetAudioParameters(OMX_HANDLETYPE handle,
     OmxFormatParam *param, OMX_U32 i_port, OMX_AUDIO_CODINGTYPE encoding,
     uint8_t *pi_channels, unsigned int *pi_samplerate,
     unsigned int *pi_bitrate, unsigned int *pi_bps, unsigned int *pi_blocksize);
+unsigned int GetAudioParamSize(OMX_INDEXTYPE index);

modules/codec/omxil/utils.c

@@ -576,7 +576,7 @@ static OMX_INDEXTYPE GetAudioParamFormatIndex(OMX_AUDIO_CODINGTYPE encoding)
   return audio_encoding_param[i].index;
 }
 
-static unsigned int GetAudioParamSize(OMX_INDEXTYPE index)
+unsigned int GetAudioParamSize(OMX_INDEXTYPE index)
 {
   int i;