fix(stacks): java PATH error

Author: duanhongyi

stacks/java/build.sh

@@ -73,7 +73,7 @@ function build() {
   rm -rf openjdk.tar.gz *jdk-"${STACK_VERSION}"*
   mkdir -p "${DATA_DIR}"/env
   echo "/opt/drycc/java" > "${DATA_DIR}"/env/JAVA_HOME
-  cat  << EOF > ${PROFILE_DIR}/${STACK_NAME}.sh
+  cat  << EOF >> ${PROFILE_DIR}/${STACK_NAME}.sh
 export LD_LIBRARY_PATH="\${JAVA_HOME}/jre/lib/${OS_ARCH}/server:\${LD_LIBRARY_PATH}"
 EOF