rtty: update to 6.3.1

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

utils/rtty/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=rtty
-PKG_VERSION:=6.3.0
+PKG_VERSION:=6.3.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_VERSION:=v$(PKG_VERSION)
 PKG_SOURCE_URL=https://codeload.github.com/zhaojh329/rtty/tar.gz/v$(PKG_VERSION)?
-PKG_HASH:=8129cc3f2d83db618afb6bfc93e018adf03de156d7e15e087e9ae52ac9dcae2b
+PKG_HASH:=1dd7852cd5a3615134dc1c6266157072652592bda847b44cc747ccfcaa27ce2f
 CMAKE_INSTALL:=1
 
 PKG_BUILD_DIR=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_SOURCE_SUBDIR)