nl_langinfo_l can just be an ELF alias.

No need to waste space/time on a branch.

Change-Id: Iff1db222990b4fc7a49b8f314090a1ef41564a20
diff --git a/libc/bionic/langinfo.cpp b/libc/bionic/langinfo.cpp
index 6f5057c..9645475 100644
--- a/libc/bionic/langinfo.cpp
+++ b/libc/bionic/langinfo.cpp
@@ -98,6 +98,4 @@
   return const_cast<char*>(result);
 }
 
-char* nl_langinfo_l(nl_item item, locale_t) {
-  return nl_langinfo(item);
-}
+__strong_alias(nl_langinfo_l, nl_langinfo)