lftp: make this build with glibc-2.16.

srcpkgs/lftp/patches/glibc-2.16.patch

@@ -0,0 +1,12 @@
+--- lib/stdio.in.h.orig	2012-07-04 16:33:38.435152864 +0200
++++ lib/stdio.in.h	2012-07-04 16:33:55.468744741 +0200
+@@ -703,9 +703,6 @@ _GL_WARN_ON_USE (getline, "getline is un
+    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
+ 
+ 
+ #if @GNULIB_OBSTACK_PRINTF@ || @GNULIB_OBSTACK_PRINTF_POSIX@