Disabled Swift optimisations (otherwise Swift compiler freezes in release build)

Author: dirkwhoffmann

vAmiga.xcodeproj/project.pbxproj

@@ -968,7 +968,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 1010;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1030;
 				ORGANIZATIONNAME = "Dirk Hoffmann";
 				TargetAttributes = {
 					508FDE6321EA1FA40043D0E9 = {
@@ -1368,7 +1368,7 @@
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OBJC_BRIDGING_HEADER = "GUI/Proxy/VirtualC64-Bridging-Header.h";
-				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 			};
 			name = Release;
 		};

vAmiga.xcodeproj/xcshareddata/xcschemes/vAmiga.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1030"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"