Fix crash when [Mesh] section is missing from configuration files
Fix crash when [Mesh] section is missing from configuration files

BogusCurry/arribasim-dev,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,justinccdev/opensim,ft-/opensim-optimizations-wip-extras,ft-/opensim-optimizations-wip,RavenB/opensim,allquixotic/opensim-autobackup,OpenSimian/opensimulator,OpenSimian/opensimulator,OpenSimian/opensimulator,QuillLittlefeather/opensim-1,justinccdev/opensim,QuillLittlefeather/opensim-1,OpenSimian/opensimulator,ft-/arribasim-dev-extras,ft-/arribasim-dev-tests,bravelittlescientist/opensim-performance,ft-/arribasim-dev-tests,allquixotic/opensim-autobackup,M-O-S-E-S/opensim,ft-/opensim-optimizations-wip-tests,Michelle-Argus/ArribasimExtract,bravelittlescientist/opensim-performance,BogusCurry/arribasim-dev,OpenSimian/opensimulator,bravelittlescientist/opensim-performance,RavenB/opensim,ft-/opensim-optimizations-wip-tests,TomDataworks/opensim,ft-/opensim-optimizations-wip-extras,ft-/opensim-optimizations-wip-tests,ft-/opensim-optimizations-wip-extras,QuillLittlefeather/opensim-1,allquixotic/opensim-autobackup,TomDataworks/opensim,justinccdev/opensim,OpenSimian/opensimulator,TomDataworks/opensim,rryk/omp-server,rryk/omp-server,ft-/arribasim-dev-tests,ft-/arribasim-dev-extras,ft-/opensim-optimizations-wip,QuillLittlefeather/opensim-1,justinccdev/opensim,Michelle-Argus/ArribasimExtract,ft-/arribasim-dev-tests,ft-/opensim-optimizations-wip-tests,ft-/opensim-optimizations-wip-extras,M-O-S-E-S/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,M-O-S-E-S/opensim,Michelle-Argus/ArribasimExtract,bravelittlescientist/opensim-performance,ft-/opensim-optimizations-wip-tests,rryk/omp-server,TomDataworks/opensim,ft-/arribasim-dev-tests,allquixotic/opensim-autobackup,Michelle-Argus/ArribasimExtract,ft-/arribasim-dev-extras,justinccdev/opensim,justinccdev/opensim,QuillLittlefeather/opensim-1,ft-/arribasim-dev-extras,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,RavenB/opensim,RavenB/opensim,M-O-S-E-S/opensim,rryk/omp-server,RavenB/opensim,ft-/arribasim-dev-tests,BogusCurry/arribasim-dev,rryk/omp-server,Michelle-Argus/ArribasimExtract,RavenB/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,ft-/opensim-optimizations-wip,ft-/opensim-optimizations-wip-extras,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,TomDataworks/opensim,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,QuillLittlefeather/opensim-1,BogusCurry/arribasim-dev,OpenSimian/opensimulator,ft-/arribasim-dev-extras,EriHoss/OpenSim_0.8.2.0_Dev_LibLSLCC,RavenB/opensim,M-O-S-E-S/opensim,M-O-S-E-S/opensim,bravelittlescientist/opensim-performance,BogusCurry/arribasim-dev,Michelle-Argus/ArribasimExtract,allquixotic/opensim-autobackup,ft-/opensim-optimizations-wip,rryk/omp-server,BogusCurry/arribasim-dev,QuillLittlefeather/opensim-1,TomDataworks/opensim,ft-/arribasim-dev-extras,M-O-S-E-S/opensim,bravelittlescientist/opensim-performance,allquixotic/opensim-autobackup,TomDataworks/opensim