expr: add 'ident' value to ExprDef union

This distinguishes between an identifier expression and a string
expression in the union.

Signed-off-by: Ran Benita <ran234@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/xkbcomp/ast.h b/src/xkbcomp/ast.h
index ed8831b..d94550f 100644
--- a/src/xkbcomp/ast.h
+++ b/src/xkbcomp/ast.h
@@ -186,6 +186,7 @@ typedef struct _Expr {
             darray(unsigned int) symsNumEntries;
         } list;
         struct _Expr *child;
+        xkb_atom_t ident;
         xkb_atom_t str;
         unsigned uval;
         int ival;