get rid of extra "lib" in path

netci.groovy

@@ -145,7 +145,7 @@ def CreateXPlatBuildTask = { isPR, buildType, staticBuild, machine, platform, co
     def compilerPaths = (platform == "osx") ? "" : "--cxx=/usr/bin/clang++-3.9 --cc=/usr/bin/clang-3.9"
     def buildScript = "bash ./build.sh ${staticFlag} -j=`${numConcurrentCommand}` ${buildFlag} " +
                       "${swbCheckFlag} ${compilerPaths} ${icuFlag} ${customOption} ${extraBuildParams}"
-    def icuLibFlag = (platform == "osx" ? "--iculib=/Users/DDITLABS/homebrew/opt/icu4c/lib" : "")
+    def icuLibFlag = (platform == "osx" ? "--iculib=/Users/DDITLABS/homebrew/opt/icu4c" : "")
     def testScript = "bash test/runtests.sh ${icuLibFlag} \"${testVariant}\""
 
     def newJob = job(jobName) {