fix unitialized variable in eval_strfunc

diff --git a/eval.c b/eval.c
index 917dcfc..4fd3b4b 100644 (file)
--- a/eval.c
+++ b/eval.c
@@ -669,6 +669,7 @@ static expr *eval_strfunc(enum strfunc type)
     int64_t val;
     bool parens, rn_warn;
 
+    parens = false;
     i = scan(scpriv, tokval);
     if (i == '(') {
        parens = true;