small fix to fractal tree test script

git-svn-id: file:///svn/toku/tokudb@44972 c7de825b-a66e-492c-adef-691d508d4ae1

scripts/run.fractal.tree.tests.bash

@@ -115,11 +115,13 @@ if [[ $commit -eq 1 ]]; then
     # make the build directory, possibly on multiple machines simultaneously, there can be only one
     builddir=$buildbase/$date
     pushd $buildbase
-    retry (svn mkdir $svnserver/tokudb.build/$date -m "" ;
-        svn co -q $svnserver/tokudb.build/$date) || rm -rf $date
+    set +e
+    svn mkdir $svnserver/tokudb.build/$date -m "" || true
+    retry svn co -q $svnserver/tokudb.build/$date
     if [ ! -d $date ] ; then
         exit 1
     fi
+    set -e
     popd
 
     tracefilepfx=$builddir/$productname+$ftcc-$GCCVERSION+bdb-$BDBVERSION+$nodename+$system+$release+$arch