Switch from using 'nacl_main' to 'main' entry point

ports/mongoose/build.sh

 # Copyright (c) 2013 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 BUILD_DIR=${SRC_DIR}
 
+EnableCliMain
+
 BuildStep() {
   export EXTRA_CFLAGS="${NACLPORTS_CPPFLAGS} ${NACLPORTS_CFLAGS}"
-  export LDFLAGS="${NACLPORTS_LDFLAGS} ${NACL_CLI_MAIN_LIB}"
+  export LDFLAGS="${NACLPORTS_LDFLAGS} ${NACLPORTS_LIBS}"
   if [ "$NACL_LIBC" = "glibc" ]; then
     LDFLAGS+=" -ldl"
   fi
   CC=${NACLCC} LogExecute make clean
   CC=${NACLCC} LogExecute make nacl
 }
 
 
 InstallStep() {
   MakeDir ${PUBLISH_DIR}
   local ASSEMBLY_DIR="${PUBLISH_DIR}/mongoose"
   MakeDir ${ASSEMBLY_DIR}
   LogExecute cp mongoose \
       ${ASSEMBLY_DIR}/mongoose_${NACL_ARCH}${NACL_EXEEXT}
   LogExecute cp ${START_DIR}/index.html ${ASSEMBLY_DIR}
   pushd ${ASSEMBLY_DIR}
   python ${NACL_SDK_ROOT}/tools/create_nmf.py \
       mongoose_*${NACL_EXEEXT} \
       -s . \
       -o mongoose.nmf
   popd
 
   InstallNaClTerm ${ASSEMBLY_DIR}
   LogExecute cp ${START_DIR}/background.js ${ASSEMBLY_DIR}
   LogExecute cp ${START_DIR}/mongoose.js ${ASSEMBLY_DIR}
   LogExecute cp ${START_DIR}/manifest.json ${ASSEMBLY_DIR}
 }