fix libiconv build with eglibc/glibc from gnulib git

package/libiconv/patches/patch-srclib_stdio_in_h

@@ -0,0 +1,29 @@
+--- libiconv-1.14.orig/srclib/stdio.in.h	2011-08-07 15:42:06.000000000 +0200
++++ libiconv-1.14/srclib/stdio.in.h	2013-10-24 16:56:53.000000000 +0200
+@@ -679,22 +679,11 @@ _GL_WARN_ON_USE (getline, "getline is un
+ # endif
+ #endif
+ 
+-#if @GNULIB_GETS@
+-# if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
+-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+-#   undef gets
+-#   define gets rpl_gets
+-#  endif
+-_GL_FUNCDECL_RPL (gets, char *, (char *s) _GL_ARG_NONNULL ((1)));
+-_GL_CXXALIAS_RPL (gets, char *, (char *s));
+-# else
+-_GL_CXXALIAS_SYS (gets, char *, (char *s));
+-#  undef gets
+-# endif
+-_GL_CXXALIASWARN (gets);
+ /* It is very rare that the developer ever has full control of stdin,
+-   so any use of gets warrants an unconditional warning.  Assume it is
+-   always declared, since it is required by C89.  */
++   so any use of gets warrants an unconditional warning; besides, C11
++   removed it.  */
++#undef gets
++#if HAVE_RAW_DECL_GETS
+ _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
+ #endif
+