Fix #1183.
Fix #1183.

In #1183, I accidentally removed a class qualification on a call. This leads
to some 20 tests failing. This patch restores the issue.

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