File mumble-cxx17.patch of Package mumble

Index: mumble-1.5.629/CMakeLists.txt
===================================================================
--- mumble-1.5.629.orig/CMakeLists.txt
+++ mumble-1.5.629/CMakeLists.txt
@@ -45,7 +45,7 @@ list(APPEND CMAKE_MODULE_PATH
 )
 
 if(NOT DEFINED CMAKE_CXX_STANDARD)
-	set(CMAKE_CXX_STANDARD 14)
+	set(CMAKE_CXX_STANDARD 17)
 endif()
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13)