Fixup ce526607 again: last-minute blunder

diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4
index b1027fef802252715cf31b8888cbe07e41a45462..fb6525c7adb33ab0c56fae5ae0a63ebaea0467d8 100644 (file)
--- a/config/lyxinclude.m4
+++ b/config/lyxinclude.m4
@@ -311,7 +311,7 @@ AC_REQUIRE([AC_PROG_CXXCPP])
 ### We might want to force the C++ standard.
 AC_ARG_ENABLE(cxx-mode,
   AS_HELP_STRING([--enable-cxx-mode],[choose C++ standard (default: 14, then 11)]),,
-  [enable_cxx_mode="14,11"]
+  [enable_cxx_mode={14,11}]
 )
 
 AC_LANG_PUSH(C++)