Fix linting issues

Author: JIm Boyd

Sources/SQLite/Core/Statement.swift

@@ -232,7 +232,7 @@ extension Statement {
     public func prepareRowIterator() -> RowIterator {
         return RowIterator(statement: self, columnNames: self.columnNameMap)
     }
-    
+
     var columnNameMap: [String: Int] {
         var result = [String: Int]()
         for (index, name) in self.columnNames.enumerated() {

Tests/SQLiteTests/StatementTests.swift

@@ -23,7 +23,7 @@ class StatementTests: SQLiteTestCase {
         let blobValue = try! db.scalar(blobs.select(blobColumn).limit(1, offset: 0))
         XCTAssertEqual([], blobValue.bytes)
     }
-    
+
     func test_prepareRowIterator() {
         let names = ["a", "b", "c"]
         try! insertUsers(names)