Don't throw an error if reinit is called with all zero row lengths. This case may happen for block matrices where some blocks are zero only.
Don't throw an error if reinit is called with all zero row
lengths. This case may happen for block matrices where some blocks
are zero only.


git-svn-id: 31d9d2f6432a47c86a3640814024c107794ea77c@4753 0785d39b-7218-0410-832d-ea1e28bc413d

mac-a/dealii,mac-a/dealii,ibkim11/dealii,natashasharma/dealii,mac-a/dealii,rrgrove6/dealii,msteigemann/dealii,spco/dealii,ESeNonFossiIo/dealii,flow123d/dealii,EGP-CIG-REU/dealii,andreamola/dealii,nicolacavallini/dealii,kalj/dealii,ibkim11/dealii,kalj/dealii,YongYang86/dealii,angelrca/dealii,Arezou-gh/dealii,nicolacavallini/dealii,natashasharma/dealii,JaeryunYim/dealii,mtezzele/dealii,ESeNonFossiIo/dealii,sairajat/dealii,adamkosik/dealii,danshapero/dealii,flow123d/dealii,lue/dealii,mtezzele/dealii,Arezou-gh/dealii,rrgrove6/dealii,spco/dealii,andreamola/dealii,andreamola/dealii,adamkosik/dealii,EGP-CIG-REU/dealii,lue/dealii,shakirbsm/dealii,YongYang86/dealii,gpitton/dealii,flow123d/dealii,gpitton/dealii,angelrca/dealii,lue/dealii,mac-a/dealii,ESeNonFossiIo/dealii,mac-a/dealii,pesser/dealii,flow123d/dealii,spco/dealii,danshapero/dealii,jperryhouts/dealii,gpitton/dealii,kalj/dealii,spco/dealii,msteigemann/dealii,maieneuro/dealii,pesser/dealii,andreamola/dealii,gpitton/dealii,JaeryunYim/dealii,shakirbsm/dealii,adamkosik/dealii,pesser/dealii,spco/dealii,EGP-CIG-REU/dealii,angelrca/dealii,shakirbsm/dealii,shakirbsm/dealii,maieneuro/dealii,ibkim11/dealii,pesser/dealii,sairajat/dealii,adamkosik/dealii,nicolacavallini/dealii,rrgrove6/dealii,naliboff/dealii,JaeryunYim/dealii,danshapero/dealii,naliboff/dealii,lpolster/dealii,msteigemann/dealii,adamkosik/dealii,mtezzele/dealii,mtezzele/dealii,YongYang86/dealii,ESeNonFossiIo/dealii,maieneuro/dealii,sairajat/dealii,sriharisundar/dealii,lue/dealii,JaeryunYim/dealii,johntfoster/dealii,danshapero/dealii,pesser/dealii,YongYang86/dealii,lpolster/dealii,Arezou-gh/dealii,mac-a/dealii,EGP-CIG-REU/dealii,johntfoster/dealii,lpolster/dealii,maieneuro/dealii,danshapero/dealii,danshapero/dealii,rrgrove6/dealii,lue/dealii,msteigemann/dealii,lpolster/dealii,ibkim11/dealii,YongYang86/dealii,maieneuro/dealii,jperryhouts/dealii,EGP-CIG-REU/dealii,pesser/dealii,shakirbsm/dealii,msteigemann/dealii,danshapero/dealii,JaeryunYim/dealii,lpolster/dealii,lpolster/dealii,adamkosik/dealii,angelrca/dealii,flow123d/dealii,maieneuro/dealii,ibkim11/dealii,angelrca/dealii,gpitton/dealii,sriharisundar/dealii,ibkim11/dealii,sriharisundar/dealii,EGP-CIG-REU/dealii,sairajat/dealii,shakirbsm/dealii,jperryhouts/dealii,johntfoster/dealii,EGP-CIG-REU/dealii,sriharisundar/dealii,lpolster/dealii,spco/dealii,YongYang86/dealii,rrgrove6/dealii,msteigemann/dealii,jperryhouts/dealii,flow123d/dealii,sairajat/dealii,naliboff/dealii,mtezzele/dealii,JaeryunYim/dealii,maieneuro/dealii,ESeNonFossiIo/dealii,mtezzele/dealii,angelrca/dealii,andreamola/dealii,mtezzele/dealii,lue/dealii,jperryhouts/dealii,mac-a/dealii,rrgrove6/dealii,pesser/dealii,kalj/dealii,naliboff/dealii,kalj/dealii,nicolacavallini/dealii,lue/dealii,ESeNonFossiIo/dealii,johntfoster/dealii,spco/dealii,nicolacavallini/dealii,kalj/dealii,naliboff/dealii,nicolacavallini/dealii,rrgrove6/dealii,JaeryunYim/dealii,nicolacavallini/dealii,natashasharma/dealii,gpitton/dealii,sairajat/dealii,andreamola/dealii,natashasharma/dealii,johntfoster/dealii,johntfoster/dealii,adamkosik/dealii,flow123d/dealii,Arezou-gh/dealii,gpitton/dealii,natashasharma/dealii,natashasharma/dealii,natashasharma/dealii,angelrca/dealii,Arezou-gh/dealii,shakirbsm/dealii,andreamola/dealii,Arezou-gh/dealii,sriharisundar/dealii,jperryhouts/dealii,johntfoster/dealii,ESeNonFossiIo/dealii,naliboff/dealii,Arezou-gh/dealii,kalj/dealii,ibkim11/dealii,msteigemann/dealii,sriharisundar/dealii,naliboff/dealii,sairajat/dealii,sriharisundar/dealii,jperryhouts/dealii,YongYang86/dealii