Use errSecDiskFull

Lib/KeychainAccessTests/ErrorTypeTests.swift

@@ -49,7 +49,7 @@ class ErrorTypeTests: XCTestCase {
         }
         #if os(OSX)
         do {
-            let status = Status(rawValue: errSecDskFull)
+            let status = Status(rawValue: errSecDiskFull)
             XCTAssertEqual(status, .diskFull)
             XCTAssertEqual(status?.description, "The disk is full.")
         }