Fix compiler warning on HP-UX.

Cast param to isalnum() to int.

diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 8490ae9428d036c14103cf034286e98a9c07f8d1..800a1666e7cf4729e10ccfe7510d0d0e2e242c52 100644 (file)
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -228,8 +228,8 @@ get_coding_spec(const char *s, int size)
                        } while (t[0] == '\x20' || t[0] == '\t');
 
                        begin = t;
-                       while (isalnum(t[0]) || t[0] == '-' || t[0] == '_' ||
-                              t[0] == '.')
+                       while (isalnum((int)t[0]) ||
+                              t[0] == '-' || t[0] == '_' || t[0] == '.')
                                t++;
 
                        if (begin < t) {