iOS set default deployment target

oxygine/SDL/ios/oxygine/oxygine_ios.xcodeproj/project.pbxproj

@@ -1202,6 +1202,7 @@
 					"$(THIRD_PARTY)/libpng",
 					"$(THIRD_PARTY)/libjpeg",
 				);
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MACOSX_DEPLOYMENT_TARGET = "";
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -1237,6 +1238,7 @@
 					"$(THIRD_PARTY)/libpng",
 					"$(THIRD_PARTY)/libjpeg",
 				);
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MACOSX_DEPLOYMENT_TARGET = "";
 				ONLY_ACTIVE_ARCH = NO;
 				SDKROOT = iphoneos;