update Xcode project for version bump to 3.1.0.

Author: sezero

Xcode/Info-Framework.plist

@@ -15,8 +15,8 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.0.0</string>
+	<string>3.1.0</string>
 	<key>CFBundleVersion</key>
-	<string>3.0.0</string>
+	<string>3.1.0</string>
 </dict>
 </plist>

Xcode/SDL_mixer.xcodeproj/project.pbxproj

@@ -762,8 +762,8 @@
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				DEPLOYMENT_POSTPROCESSING = YES;
-				DYLIB_COMPATIBILITY_VERSION = 1.0.0;
-				DYLIB_CURRENT_VERSION = 1.0.0;
+				DYLIB_COMPATIBILITY_VERSION = 101.0.0;
+				DYLIB_CURRENT_VERSION = 101.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				"FRAMEWORK_SEARCH_PATHS[sdk=appletv*]" = "\"$(PROJECT_DIR)/iOS\"";
 				"FRAMEWORK_SEARCH_PATHS[sdk=iphone*]" = "\"$(PROJECT_DIR)/iOS\"";
@@ -811,8 +811,8 @@
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
-				DYLIB_COMPATIBILITY_VERSION = 1.0.0;
-				DYLIB_CURRENT_VERSION = 1.0.0;
+				DYLIB_COMPATIBILITY_VERSION = 101.0.0;
+				DYLIB_CURRENT_VERSION = 101.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				ENABLE_TESTABILITY = YES;
 				"FRAMEWORK_SEARCH_PATHS[sdk=appletv*]" = "\"$(PROJECT_DIR)/iOS\"";