client: Fixed regression introduced with commit/revision cb44292f441b. Local groupnames were not correctly resolved to their GID. This issue was also detected by the unit test UserMappingUnixTest.
client: Fixed regression introduced with commit/revision cb44292f441b. Local groupnames were not correctly resolved to their GID. This issue was also detected by the unit test UserMappingUnixTest.

kleingeist/xtreemfs,rbaerzib/xtreemfs,harnesscloud/xtreemfs,rbaerzib/xtreemfs,stanik137/xtreemfs,jswrenn/xtreemfs,kleingeist/xtreemfs,kleingeist/xtreemfs,stanik137/xtreemfs,stanik137/xtreemfs,jswrenn/xtreemfs,harnesscloud/xtreemfs,jswrenn/xtreemfs,harnesscloud/xtreemfs,jswrenn/xtreemfs,harnesscloud/xtreemfs,jswrenn/xtreemfs,jswrenn/xtreemfs,kleingeist/xtreemfs,stanik137/xtreemfs,stanik137/xtreemfs,harnesscloud/xtreemfs,rbaerzib/xtreemfs,rbaerzib/xtreemfs,rbaerzib/xtreemfs,stanik137/xtreemfs,jswrenn/xtreemfs,stanik137/xtreemfs,jswrenn/xtreemfs,harnesscloud/xtreemfs,kleingeist/xtreemfs,rbaerzib/xtreemfs,harnesscloud/xtreemfs,rbaerzib/xtreemfs,kleingeist/xtreemfs,kleingeist/xtreemfs,stanik137/xtreemfs,rbaerzib/xtreemfs,kleingeist/xtreemfs,harnesscloud/xtreemfs