Fix problem with the last cell in the last row being escaped and followed by whitespace.

Closes #89.

Author: nrinaudo

core/src/main/scala/kantan/csv/engine/InternalReader.scala

@@ -156,7 +156,10 @@ private[engine] class InternalReader private (val data: Reader, val conf: CsvCon
 
     case _ if c.isWhitespace ⇒
       if(hasNextChar) escapedCellEnd(nextChar())
-      else            InternalReader.EOF
+      else {
+        endCell()
+        InternalReader.EOF
+      }
 
     case conf.quote ⇒ escapedCell(true)
 

core/src/test/scala/kantan/csv/engine/InternalReaderRegressionTests.scala

@@ -38,4 +38,9 @@ class InternalReaderRegressionTests extends FunSuite {
   test("If the last cell of the last row is a quoted empty string, it should still be read (#88)") {
     assert("\"\"".unsafeReadCsv[List, List[String]](rfc) == List(List("")))
   }
+
+  test("if the last cell of a row is quoted and followed by a space, it should still be read (#89)") {
+    assert(""" "field1","field2","field3" """.unsafeReadCsv[List, List[String]](rfc) ==
+      List(List("field1", "field2", "field3 ")))
+  }
 }