[Xcode] Update to recommended settings by Xcode 10.2

Base32.xcodeproj/Configs/Project.xcconfig

@@ -9,6 +9,7 @@ OTHER_SWIFT_FLAGS = -DXcode
 COMBINE_HIDPI_IMAGES = YES
 USE_HEADERMAP = NO
 FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
+CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 CLANG_ENABLE_OBJC_WEAK = YES;
 CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 CLANG_WARN_BOOL_CONVERSION = YES;

Base32.xcodeproj/project.pbxproj

@@ -224,13 +224,14 @@
 		__RootObject_ /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0930;
+				LastUpgradeCheck = 1020;
 			};
 			buildConfigurationList = "___RootConfs_" /* Build configuration list for PBXProject "Base32" */;
 			compatibilityVersion = "Xcode 3.2";
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 			);
 			mainGroup = "___RootGroup_";

Base32.xcodeproj/xcshareddata/xcschemes/Base32.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0930"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"