More swift 3.0 setting

CryptoSwift.xcodeproj/project.pbxproj

@@ -1228,6 +1228,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_INSTALL_OBJC_HEADER = NO;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1272,6 +1273,7 @@
 				PRODUCT_NAME = CryptoSwift;
 				SDKROOT = iphoneos;
 				SWIFT_INSTALL_OBJC_HEADER = NO;
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";