fix fisher jump

This fixes a previous mistake in the intrinsic Fisher proposal that was causing the glitch model to fail to identify glitches. As far as I can see signal runs were not affected.

src/BayesWaveProposal.c

@@ -657,10 +657,9 @@ void intrinsic_fisher_proposal(UNUSED struct Model *model, double **range, doubl
   // [0] t0 [1] f0 [2] Q [3] Amp [4] phi ([5] beta chirplet)
   
   //perturb current location by N[0,scale*sigma]
-  double c = gaussian_draw(seed);
   for(k=0; k<NW; k++)
   {
-    paramsy[k] = paramsx[k] + scale*dparamsx[k]*c;
+    paramsy[k] = paramsx[k] + scale*dparamsx[k]*gaussian_draw(seed);
   }
 
   if(checkrange(paramsy, range, NW))