Set APPLICATION_EXTENSION_API_ONLY = YES (#585)

CryptoSwift.xcodeproj/project.pbxproj

@@ -801,6 +801,7 @@
 		754BE46C19693E190098E6F3 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_ENABLE_MODULES = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -825,6 +826,7 @@
 		754BE46D19693E190098E6F3 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				BITCODE_GENERATION_MODE = bitcode;
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_USE_OPTIMIZATION_PROFILE = NO;
@@ -957,6 +959,7 @@
 		756B66AB1F6AAFDB00DEC41C /* Test */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				BITCODE_GENERATION_MODE = bitcode;
 				CLANG_ENABLE_MODULES = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;