Add missing cast

diff --git a/expr.c b/expr.c
index bcd11904f9cb361e7fa1b86897b96743d2e6bc88..6ccaa82ba875a3e96d69472c0911a1633e8284c9 100644 (file)
--- a/expr.c
+++ b/expr.c
@@ -349,7 +349,7 @@ static struct section *operand (char *start, char **pp, struct expr *expr, int e
     
         temp = (*pp);
         
-        while (*temp && isxdigit (*temp)) {
+        while (*temp && isxdigit ((int) *temp)) {
             temp++;
         }