[newlib-cygwin] libc/iconv: Detect CES handler loading failure

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6c772f4547c5eea46fb814806509b78f08dfdfa1

commit 6c772f4547c5eea46fb814806509b78f08dfdfa1
Author: Keith Packard via Newlib <newlib@sourceware.org>
Date:   Thu Jul 9 16:58:45 2020 -0700

    libc/iconv: Detect CES handler loading failure
    
    Fix the code checking for character set loading failure so that
    it checks the return value from the init function.
    
    Signed-off-by: Keith Packard <keithp@keithp.com>

Diff:
---
 newlib/libc/iconv/ces/euc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/newlib/libc/iconv/ces/euc.c b/newlib/libc/iconv/ces/euc.c
index 29d36f941..ebd7091b0 100644
--- a/newlib/libc/iconv/ces/euc.c
+++ b/newlib/libc/iconv/ces/euc.c
@@ -306,7 +306,7 @@ ok:
       data->data[i] = _iconv_to_ucs_ces_handlers_table.init (
                                                         rptr,
                                                         data->desc[i].csname);
-      if (data->data == NULL)
+      if (data->data[i] == NULL)
         goto error;
     }