expr exdump: remove shadowing of 'expr' global

diff --git a/lib/expr/excc.c b/lib/expr/excc.c
index c12ff10532e1b02c346521212da3ff5f68678bd0..143571aa4696df39bc2a69774e08d47728da56ff 100644 (file)
--- a/lib/expr/excc.c
+++ b/lib/expr/excc.c
@@ -699,7 +699,7 @@ static int exccclose(Excc_t *cc) {
  * dump an expression tree to a buffer
  */
 
-int exdump(Expr_t *expr, Exnode_t *node, agxbuf *xb) {
+int exdump(Expr_t *ex, Exnode_t *node, agxbuf *xb) {
        Excc_t*         cc;
        Exccdisc_t      ccdisc;
        Exid_t*         sym;
@@ -707,12 +707,12 @@ int exdump(Expr_t *expr, Exnode_t *node, agxbuf *xb) {
        memset(&ccdisc, 0, sizeof(ccdisc));
        ccdisc.flags = EX_CC_DUMP;
        ccdisc.text = xb;
-       if (!(cc = exccopen(expr, &ccdisc)))
+       if (!(cc = exccopen(ex, &ccdisc)))
                return -1;
        if (node)
                gen(cc, node);
        else
-               for (sym = dtfirst(expr->symbols); sym; sym = dtnext(expr->symbols, sym))
+               for (sym = dtfirst(ex->symbols); sym; sym = dtnext(ex->symbols, sym))
                        if (sym->lex == PROCEDURE && sym->value)
                        {
                                agxbprint(xb, "%s:\n", sym->name);