decrement deployment target

SocketRocket.xcodeproj/project.pbxproj

@@ -603,6 +603,7 @@
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				INFOPLIST_FILE = "SocketRocketOSX/SocketRocketOSX-Info.plist";
 				LD_DYLIB_INSTALL_NAME = "@executable_path/../Frameworks/$(EXECUTABLE_PATH)";
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_NAME = SocketRocket;
@@ -630,6 +631,7 @@
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				INFOPLIST_FILE = "SocketRocketOSX/SocketRocketOSX-Info.plist";
 				LD_DYLIB_INSTALL_NAME = "@executable_path/../Frameworks/$(EXECUTABLE_PATH)";
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_NAME = SocketRocket;
 				SDKROOT = macosx;