com.dashjoin.jsonata.Parser.Symbol.type must use equals() when compared to string constant

[aeberhart]

Three places in Jsonata use incorrect comparison:

• jsonata-java/src/main/java/com/dashjoin/jsonata/Jsonata.java

  Line 1593 in 10c3f2c

  if (proc == null && (expr).procedure.type == "path" && environment.lookup((String)expr.procedure.steps.get(0).value)!=null) {

• jsonata-java/src/main/java/com/dashjoin/jsonata/Jsonata.java

  Line 1632 in 10c3f2c

  var procName = expr.procedure.type == "path" ? expr.procedure.steps.get(0).value : expr.procedure.value;

• jsonata-java/src/main/java/com/dashjoin/jsonata/Jsonata.java

  Line 1679 in 10c3f2c

  if(((Symbol)result).body.procedure.type == "variable") {

We should examine why this did not cause problems in the current set of unit tests. This probably a relic of the initial JS port. Thanks to @sergeevik for pointing this out.