Remove trailing whitespace from the license headers.

silk/A2NLSF.c

silk/API.h

silk/CNG.c

silk/HP_variable_cutoff.c

silk/Inlines.h

silk/LPC_analysis_filter.c

silk/LPC_inv_pred_gain.c

silk/LP_variable_cutoff.c

silk/MacroCount.h

silk/MacroDebug.h

silk/NLSF2A.c

silk/NLSF_VQ.c

silk/NLSF_VQ_weights_laroia.c

silk/NLSF_decode.c

silk/NLSF_del_dec_quant.c

silk/NLSF_encode.c

silk/NLSF_stabilize.c

silk/NLSF_unpack.c

silk/NSQ.c

silk/NSQ_del_dec.c