Fix signed/unsigned warning.

[r18625]

diff --git a/ast2firm.c b/ast2firm.c
index b6642bb..2ef79c6 100644 (file)
--- a/ast2firm.c
+++ b/ast2firm.c
@@ -3650,7 +3650,7 @@ void init_ast2firm(void)
        init_atomic_modes();
 
        /* create idents for all known runtime functions */
-       for (int i = 0; i < sizeof(rts_data)/sizeof(rts_data[0]); ++i) {
+       for (size_t i = 0; i < sizeof(rts_data) / sizeof(rts_data[0]); ++i) {
                predef_idents[rts_data[i].id] = new_id_from_str(rts_data[i].name);
        }
 }