GEOMESA-2160 Fixing variable name in spark tutorial (#1842)
GEOMESA-2160 Fixing variable name in spark tutorial (#1842)

Signed-off-by: Emilio Lahr-Vivaz <f5dc3247cbfe1e9516025b4ccf681397733b2160@ccri.com>
elahrvivaz/geomesa,ccri/geomesa,elahrvivaz/geomesa,boundlessgeo/geomesa,aheyne/geomesa,elahrvivaz/geomesa,ccri/geomesa,ddseapy/geomesa,jahhulbert-ccri/geomesa,jahhulbert-ccri/geomesa,jrs53/geomesa,locationtech/geomesa,ddseapy/geomesa,locationtech/geomesa,jahhulbert-ccri/geomesa,ccri/geomesa,jrs53/geomesa,boundlessgeo/geomesa,ccri/geomesa,elahrvivaz/geomesa,locationtech/geomesa,locationtech/geomesa,boundlessgeo/geomesa,ddseapy/geomesa,aheyne/geomesa,ccri/geomesa,ddseapy/geomesa,aheyne/geomesa,ddseapy/geomesa,jahhulbert-ccri/geomesa,elahrvivaz/geomesa,jrs53/geomesa,jrs53/geomesa,boundlessgeo/geomesa,aheyne/geomesa,locationtech/geomesa,jahhulbert-ccri/geomesa,elahrvivaz/geomesa,boundlessgeo/geomesa,aheyne/geomesa,jahhulbert-ccri/geomesa,aheyne/geomesa,ccri/geomesa,jrs53/geomesa,locationtech/geomesa,ddseapy/geomesa,jrs53/geomesa