Set `SWIFT_VERSION = 2.3` for all targets

XCode/Swifter.xcodeproj/project.pbxproj

@@ -549,6 +549,7 @@
 				TargetAttributes = {
 					7AE893E61C05127900A29F63 = {
 						CreatedOnToolsVersion = 7.1;
+						LastSwiftMigration = 0800;
 					};
 					7AE893FA1C0512C400A29F63 = {
 						CreatedOnToolsVersion = 7.1;
@@ -818,6 +819,7 @@
 				PRODUCT_NAME = Swifter;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -845,6 +847,7 @@
 				PRODUCT_NAME = Swifter;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -872,6 +875,7 @@
 				PRODUCT_NAME = Swifter;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -898,6 +902,7 @@
 				PRODUCT_NAME = Swifter;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -925,6 +930,7 @@
 				PRODUCT_NAME = Swifter;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -953,6 +959,7 @@
 				PRODUCT_NAME = Swifter;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};