fix doxygen example
fix doxygen example

Recent changes removed GrowingVectorMemory arguments, but this code
examples hasn't been updated.

ESeNonFossiIo/dealii,ibkim11/dealii,angelrca/dealii,spco/dealii,natashasharma/dealii,danshapero/dealii,maieneuro/dealii,spco/dealii,lue/dealii,lpolster/dealii,mtezzele/dealii,mac-a/dealii,angelrca/dealii,sriharisundar/dealii,mtezzele/dealii,rrgrove6/dealii,mtezzele/dealii,nicolacavallini/dealii,EGP-CIG-REU/dealii,ESeNonFossiIo/dealii,shakirbsm/dealii,naliboff/dealii,lpolster/dealii,andreamola/dealii,msteigemann/dealii,maieneuro/dealii,shakirbsm/dealii,danshapero/dealii,johntfoster/dealii,nicolacavallini/dealii,maieneuro/dealii,natashasharma/dealii,andreamola/dealii,Arezou-gh/dealii,shakirbsm/dealii,sairajat/dealii,sriharisundar/dealii,lpolster/dealii,ibkim11/dealii,gpitton/dealii,kalj/dealii,sairajat/dealii,sairajat/dealii,johntfoster/dealii,adamkosik/dealii,mtezzele/dealii,nicolacavallini/dealii,ESeNonFossiIo/dealii,adamkosik/dealii,Arezou-gh/dealii,JaeryunYim/dealii,lue/dealii,naliboff/dealii,maieneuro/dealii,andreamola/dealii,danshapero/dealii,ibkim11/dealii,JaeryunYim/dealii,ibkim11/dealii,msteigemann/dealii,maieneuro/dealii,nicolacavallini/dealii,gpitton/dealii,mac-a/dealii,mac-a/dealii,shakirbsm/dealii,angelrca/dealii,gpitton/dealii,pesser/dealii,msteigemann/dealii,sriharisundar/dealii,kalj/dealii,nicolacavallini/dealii,mtezzele/dealii,sriharisundar/dealii,pesser/dealii,ESeNonFossiIo/dealii,YongYang86/dealii,sairajat/dealii,lue/dealii,kalj/dealii,YongYang86/dealii,kalj/dealii,jperryhouts/dealii,kalj/dealii,danshapero/dealii,spco/dealii,sairajat/dealii,johntfoster/dealii,angelrca/dealii,EGP-CIG-REU/dealii,Arezou-gh/dealii,JaeryunYim/dealii,msteigemann/dealii,lpolster/dealii,jperryhouts/dealii,rrgrove6/dealii,rrgrove6/dealii,ESeNonFossiIo/dealii,ibkim11/dealii,ESeNonFossiIo/dealii,kalj/dealii,JaeryunYim/dealii,adamkosik/dealii,YongYang86/dealii,nicolacavallini/dealii,naliboff/dealii,pesser/dealii,naliboff/dealii,natashasharma/dealii,lpolster/dealii,lue/dealii,rrgrove6/dealii,Arezou-gh/dealii,danshapero/dealii,shakirbsm/dealii,ibkim11/dealii,johntfoster/dealii,shakirbsm/dealii,YongYang86/dealii,pesser/dealii,EGP-CIG-REU/dealii,jperryhouts/dealii,sriharisundar/dealii,spco/dealii,JaeryunYim/dealii,spco/dealii,EGP-CIG-REU/dealii,johntfoster/dealii,jperryhouts/dealii,msteigemann/dealii,pesser/dealii,jperryhouts/dealii,adamkosik/dealii,sairajat/dealii,naliboff/dealii,mtezzele/dealii,naliboff/dealii,andreamola/dealii,pesser/dealii,rrgrove6/dealii,angelrca/dealii,rrgrove6/dealii,danshapero/dealii,rrgrove6/dealii,msteigemann/dealii,nicolacavallini/dealii,lue/dealii,kalj/dealii,EGP-CIG-REU/dealii,natashasharma/dealii,adamkosik/dealii,mac-a/dealii,msteigemann/dealii,gpitton/dealii,ESeNonFossiIo/dealii,lue/dealii,ibkim11/dealii,natashasharma/dealii,maieneuro/dealii,lpolster/dealii,sriharisundar/dealii,natashasharma/dealii,EGP-CIG-REU/dealii,naliboff/dealii,mac-a/dealii,lpolster/dealii,Arezou-gh/dealii,jperryhouts/dealii,Arezou-gh/dealii,angelrca/dealii,spco/dealii,natashasharma/dealii,JaeryunYim/dealii,gpitton/dealii,jperryhouts/dealii,YongYang86/dealii,andreamola/dealii,EGP-CIG-REU/dealii,johntfoster/dealii,danshapero/dealii,YongYang86/dealii,johntfoster/dealii,maieneuro/dealii,angelrca/dealii,Arezou-gh/dealii,andreamola/dealii,sriharisundar/dealii,adamkosik/dealii,sairajat/dealii,pesser/dealii,adamkosik/dealii,gpitton/dealii,spco/dealii,mac-a/dealii,JaeryunYim/dealii,YongYang86/dealii,andreamola/dealii,shakirbsm/dealii,mtezzele/dealii,lue/dealii,gpitton/dealii,mac-a/dealii