igo8: Fix signedness compiler warning.

diff --git a/gpsbabel/igo8.c b/gpsbabel/igo8.c
index f02e8fa62516485c7006c18d3f79ea6d54b725db..cb9576f6599933ddf0a6359db510c843b7905df2 100644 (file)
--- a/gpsbabel/igo8.c
+++ b/gpsbabel/igo8.c
@@ -291,7 +291,7 @@ unsigned int print_unicode(char *dst, const unsigned int dst_max_length, short *
 unsigned int ascii_to_unicode_2(char *dst, const unsigned int dst_max_length, const char *src)
 {
        short *unicode;
-       unsigned int len;
+       int len;
 
        unicode = cet_str_any_to_uni(src, &cet_cs_vec_ansi_x3_4_1968, &len);