Enable SWIFT_STRICT_CONCURRENCY

Author: DominikPalo

OAuth2.xcodeproj/project.pbxproj

@@ -960,6 +960,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_STRICT_CONCURRENCY = complete;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TVOS_DEPLOYMENT_TARGET = 13.0;
@@ -1015,6 +1016,7 @@
 				MARKETING_VERSION = 5.3.5;
 				METAL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_STRICT_CONCURRENCY = complete;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TVOS_DEPLOYMENT_TARGET = 13.0;