Update updateInformix.js

Author: nkumar-topcoder

src/services/updateInformix.js

@@ -8,7 +8,9 @@ String.prototype.escapeSpecialChars = function () {
     .replace(/\t/g, "\\t")
     .replace(/\f/g, "\\f");
    // .replace(/\\/g, "\\\\"); */
+
    return this.replace(/\\/g, "\\\\")
+    .replace(/\\\"/g, '\\\\"')
     .replace(/\n/g, "\\n")
     .replace(/\r/g, "\\r")
     .replace(/\t/g, "\\t")