diffutils: bump to version 3.3

Also drop diffutils-gets-no-longer-exists-in-eglibc-2.16.patch because
gets is unconditionally undefined now so we don't need the patch.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/diffutils/diffutils-gets-no-longer-exists-in-eglibc-2.16.patch

@@ -1,26 +0,0 @@
-Handle the fact that gets() no longer exists in glibc >= 2.16
-
-The problem has been fixed upstream, but no release containing the fix
-has been made so far.
-
-Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
-
-Index: b/lib/stdio.in.h
-===================================================================
---- a/lib/stdio.in.h
-+++ b/lib/stdio.in.h
-@@ -693,12 +693,14 @@
- _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
- 
- 
- #if @GNULIB_OBSTACK_PRINTF@ || @GNULIB_OBSTACK_PRINTF_POSIX@

package/diffutils/diffutils.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DIFFUTILS_VERSION = 3.2
+DIFFUTILS_VERSION = 3.3
 DIFFUTILS_SOURCE = diffutils-$(DIFFUTILS_VERSION).tar.xz
 DIFFUTILS_SITE = $(BR2_GNU_MIRROR)/diffutils
 DIFFUTILS_DEPENDENCIES = $(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext)