eglibc 2.16 has removed gets completely

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Backported to gnutls 2.12.17 by Scott Garman <scott.a.garman@intel.com>

Upstream-Status: Pending

diff -urN gnutls-2.12.17.orig/gl/stdio.in.h gnutls-2.12.17/gl/stdio.in.h
--- gnutls-2.12.17.orig/gl/stdio.in.h	2012-03-01 07:47:48.000000000 -0800
+++ gnutls-2.12.17/gl/stdio.in.h	2012-12-12 20:27:54.833297791 -0800
@@ -710,11 +710,13 @@
 _GL_CXXALIAS_SYS (gets, char *, (char *s));
 #  undef gets
 # endif
+# if defined gets
 _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.  */
 _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
+# endif
 #endif
 
 
diff -urN gnutls-2.12.17.orig/lib/gl/stdio.in.h gnutls-2.12.17/lib/gl/stdio.in.h
--- gnutls-2.12.17.orig/lib/gl/stdio.in.h	2012-03-01 07:53:13.000000000 -0800
+++ gnutls-2.12.17/lib/gl/stdio.in.h	2012-12-12 20:29:09.669295717 -0800
@@ -710,11 +710,13 @@
 _GL_CXXALIAS_SYS (gets, char *, (char *s));
 #  undef gets
 # endif
+# if defined gets
 _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.  */
 _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
+# endif
 #endif