resampler: adding only one original_offset tag at given position

Change-Id: I502ca1075b4ecf37d922c72f60cca5c64fd0fdee
diff --git a/lib/misc_utils/controlled_fractional_resampler_cc_impl.h b/lib/misc_utils/controlled_fractional_resampler_cc_impl.h
index 1ca8082..913a47f 100644
--- a/lib/misc_utils/controlled_fractional_resampler_cc_impl.h
+++ b/lib/misc_utils/controlled_fractional_resampler_cc_impl.h
@@ -37,6 +37,7 @@
       float d_mu;
       float d_mu_inc;
       mmse_fir_interpolator_cc *d_resamp;
+      uint64_t d_last_original_offset;
       
       inline uint64_t resample(const gr_complex *in, 
            uint64_t first_in_sample,