ibm-dbus-interfaces: use c++17

Update configure.ac to choose the c++17 standard

Change-Id: I2f9e95b76e25828d4ab663155fe3aa7bf9ce425a
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
diff --git a/configure.ac b/configure.ac
index a7cbe0c..979802c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,7 +32,7 @@
 
 
     # Check for baseline language coverage in the compiler for the C++14 standard
-    AX_CXX_COMPILE_STDCXX_14([noext])
+    AX_CXX_COMPILE_STDCXX_17([noext])
     AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CFLAGS])
     AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CXXFLAGS])