dlfcn: Move dlerror into libc

The symbol was moved using scripts/move-symbol-to-libc.py.

There is a minor functionality enhancement: dlerror now sets
errno if it was set as part of the exception.  (This is the result
of using %m in asprintf, to avoid the strerror PLT call.) The
previous errno value upon function return was unpredictable.
Documenting this as a feature is premature; we need to make sure
that the error codes are meaningful when they are set by the dynamic
loader.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/dlfcn/sdlerror.c b/dlfcn/sdlerror.c
deleted file mode 100644
index f1226a48c5..0000000000
--- a/dlfcn/sdlerror.c
+++ /dev/null
@@ -1 +0,0 @@
-#include "dlerror.c"