Remove __attribute__((section (".bss"))) that doesn't work for PNaCl

ports/glibc-compat/src/res_libc.c

Index: ports/glibc-compat/src/res_libc.c
===================================================================
--- ports/glibc-compat/src/res_libc.c	(revision 1237)
+++ ports/glibc-compat/src/res_libc.c	(working copy)
@@ -146,7 +146,9 @@
    This differs from plain `struct __res_state _res;' in that it doesn't
    create a common definition, but a plain symbol that resides in .bss,
    which can have an alias.  */
-struct __res_state _res __attribute__((section (".bss")));
+/* Removed __attribute__((section(".bss"))) because PNaCl doesn't support
+   this trick and trick with removing common definition is not critical. */
+struct __res_state _res /* __attribute__((section (".bss"))) */;
 
 #define USE___THREAD 1
 
@@ -155,13 +157,6 @@
 __thread struct __res_state *__resp = &_res;
 #endif
 
-/* We declare this with compat_symbol so that it's not
-   visible at link time.  Programs must use the accessor functions.  */
-#if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING
-# include <shlib-compat.h>
-compat_symbol (libc, _res, _res, GLIBC_2_0);
-#endif
-
 #include <shlib-compat.h>
 
 #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2)