Update swift version to 4.2

Author: Raymond McCrae

HTMLSAXParser.xcodeproj/project.pbxproj

@@ -370,10 +370,11 @@
 					};
 					4DDF8C201F211E2D008C2135 = {
 						CreatedOnToolsVersion = 9.0;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1010;
 					};
 					4DDF8C291F211E2E008C2135 = {
 						CreatedOnToolsVersion = 9.0;
+						LastSwiftMigration = 1010;
 					};
 				};
 			};
@@ -799,6 +800,7 @@
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "$(PROJECT_DIR)/Sources/CHTMLSAXParser/include";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -821,6 +823,7 @@
 				PRODUCT_NAME = HTMLSAXParser;
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "$(PROJECT_DIR)/Sources/CHTMLSAXParser/include";
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -834,6 +837,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.yahoo.raymccrae.HTMLParserTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -847,6 +851,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.yahoo.raymccrae.HTMLParserTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;