elf: Fix clang -Wstring-plus-int on rtld.c

clang issues an warning adding 'const unsigned char' to a string
does not append to the string.

Use array indexes instead of string addition (it is simpler than
add a warning suppression).

Reviewed-by: Sam James <sam@gentoo.org>

diff --git a/elf/rtld.c b/elf/rtld.c
index 753ce6690ba5f0bfaa87308ae342ac6703d9abed..8b472e9c0c608e8b5f47989bb2bbfcda8007c8ec 100644 (file)
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -2494,7 +2494,7 @@ Valid options for the LD_DEBUG environment variable are:\n\n");
 
       for (cnt = 0; cnt < ndebopts; ++cnt)
        _dl_printf ("  %.*s%s%s\n", debopts[cnt].len, debopts[cnt].name,
-                   "         " + debopts[cnt].len - 3,
+                   &"         "[debopts[cnt].len - 3],
                    debopts[cnt].helptext);
 
       _dl_printf ("\n\