apt: Fix build failure when libdb is available

packages/apt/build.sh

@@ -9,6 +9,7 @@ TERMUX_PKG_VERSION=1.2.12
 TERMUX_PKG_REVISION=1
 # TERMUX_PKG_SRCURL=http://ftp.debian.org/debian/pool/main/a/apt/apt_${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_SRCURL=https://launchpad.net/ubuntu/+archive/primary/+files/apt_${TERMUX_PKG_VERSION}.tar.xz
+TERMUX_PKG_SHA256=e820d27cba73476df4abcff27dadd1b5847474bfe85f7e9202a9a07526973ea6
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="\
 --no-create
 ac_cv_c_bigendian=no

packages/apt/configure.patch

@@ -1,6 +1,6 @@
 diff -u -r ../apt-1.2.12/configure ./configure
---- ../apt-1.2.12/configure	2016-05-11 08:58:04.000000000 +0000
-+++ ./configure	2017-01-20 14:42:21.801501806 +0000
+--- ../apt-1.2.12/configure	2016-05-11 10:58:04.000000000 +0200
++++ ./configure	2017-03-03 13:31:05.373948035 +0100
 @@ -569,7 +569,7 @@
  ac_clean_files=
  ac_config_libobj_dir=.
@@ -10,6 +10,15 @@ diff -u -r ../apt-1.2.12/configure ./configure
  subdirs=
  MFLAGS=
  MAKEFLAGS=
+@@ -4611,7 +4611,7 @@
+   return 0;
+ }
+ _ACEOF
+-if ac_fn_c_try_link "$LINENO"; then :
++if false; then :
+   $as_echo "#define HAVE_BDB 1" >>confdefs.h
+ 
+        BDBLIB="-ldb"
 @@ -5056,7 +5056,7 @@
  
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking debian architecture" >&5