ustream-ssl: update to 2019-06-24

This adds chacha20-poly1305 support to the mbedtls variant.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

package/libs/ustream-ssl/Makefile

@@ -5,9 +5,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/ustream-ssl.git
-PKG_SOURCE_DATE:=2018-07-30
-PKG_SOURCE_VERSION:=23a3f2830341acd1db149175baf7315a33bd0edb
-PKG_MIRROR_HASH:=289bef5dac684015b6a40cfd72cf1c8c297bb77cf2efd54e562b628ba3afd83d
+PKG_SOURCE_DATE:=2019-06-24
+PKG_SOURCE_VERSION:=738e8d2489fc64f782affd1292388c66f6d69e82
+PKG_MIRROR_HASH:=29e69fce0a334746ed3a68d27f5ca5bffbfc144d04329335be47983fdd7cbdfd
 CMAKE_INSTALL:=1
 
 PKG_BUILD_DIR=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_SOURCE_SUBDIR)