minor: remove some mono compiler warnings in ServicesServerBase
minor: remove some mono compiler warnings in ServicesServerBase

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