[xcodeproj] Fix MACOSX_DEPLOYMENT_TARGET

Revert to `10.9` on Project settings.
Keep `10.10` on Test target build settings.

Author: norio-nomura

Commandant.podspec

@@ -20,7 +20,7 @@ Commandant is a Swift framework for parsing command-line arguments, inspired by
   s.license      = { type: "MIT", file: "LICENSE.md" }
   s.authors      = { "Carthage contributors" => "https://github.com/Carthage/Commandant/graphs/contributors" }
 
-  s.platform     = :osx, "10.10"
+  s.platform     = :osx, "10.9"
   s.source       = { git: "https://github.com/Carthage/Commandant.git", tag: s.version }
 
   s.source_files  = "Sources/**/*.swift"

Commandant.xcodeproj/project.pbxproj

@@ -415,7 +415,7 @@
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CURRENT_PROJECT_VERSION = 1;
 				ENABLE_TESTABILITY = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				ONLY_ACTIVE_ARCH = YES;
 				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -436,7 +436,7 @@
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CURRENT_PROJECT_VERSION = 1;
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -486,6 +486,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/CommandantTests/Info.plist;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.carthage.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
@@ -500,6 +501,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/CommandantTests/Info.plist;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.carthage.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
@@ -518,7 +520,7 @@
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CURRENT_PROJECT_VERSION = 1;
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -550,6 +552,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/CommandantTests/Info.plist;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.carthage.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
@@ -568,7 +571,7 @@
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CURRENT_PROJECT_VERSION = 1;
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -601,6 +604,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/CommandantTests/Info.plist;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.carthage.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};