automake 1.12 has depricated automatic de-ANSI-fication support

this patch avoids these kinds of errors:

| configure.in:2240: error: automatic de-ANSI-fication support has been removed
| Makefile.am:28: error: automatic de-ANSI-fication support has been removed

Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com>
2012/05/02


This patch was removed in f181c6ce8b3 when gmp 4.2.1 was mistakenly
dropped.

Upstream is not interested in patches for ancient versions.

Upstream-Status: Inappropriate
Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>


Index: gmp-4.2.1/configure.in
===================================================================
--- gmp-4.2.1.orig/configure.in
+++ gmp-4.2.1/configure.in
@@ -67,7 +67,7 @@ dnl
 dnl  Note that there's a copy of these options in the top-level Makefile.am,
 dnl  so update there too if changing anything.
 dnl
-AM_INIT_AUTOMAKE([1.8 gnu no-dependencies $(top_builddir)/ansi2knr])
+AM_INIT_AUTOMAKE([1.8 gnu no-dependencies])
 AM_CONFIG_HEADER(config.h:config.in)
 AM_MAINTAINER_MODE
 
@@ -2022,9 +2022,6 @@ fi
 echo "      MPN_PATH=\"$path\""
 
 
-# Automake ansi2knr support.
-AM_C_PROTOTYPES
-
 GMP_PROG_AR
 GMP_PROG_NM
 
Index: gmp-4.2.1/Makefile.am
===================================================================
--- gmp-4.2.1.orig/Makefile.am
+++ gmp-4.2.1/Makefile.am
@@ -27,7 +27,7 @@
 # Makefiles in subdirectories, but here we must omit it so automake gives
 # the actual ansi2knr build rule, not "cd $(top_builddir) && make ansi2knr".
 #
-AUTOMAKE_OPTIONS = 1.8 gnu no-dependencies ansi2knr
+AUTOMAKE_OPTIONS = 1.8 gnu no-dependencies
 
 
 # Libtool -version-info for libgmp.la and libmp.la.  See "Versioning" in the