Fix build when !BDB and db5 is installed at the same time.

The configure script picked up the db5 library though
ac_cv_func_db_create=no.

PR:	215772

security/heimdal/Makefile

@@ -68,7 +68,8 @@ BDB_CONFIGURE_ENV=	ac_cv_header_db${BDB_VER}_db_h=yes \
 			ac_cv_funclib_db_create="-l${BDB_LIB_NAME}"
 BDB_CONFIGURE_ON=	--disable-ndbm-db
 BDB_CONFIGURE_ENV_OFF=	ac_cv_header_db_h=yes \
-			ac_cv_func_db_create=no
+			ac_cv_func_db_create=no \
+			ac_cv_funclib_db_create=no
 BDB_CONFIGURE_OFF=	--enable-ndbm-db
 
 LMDB_DESC=		Enable LMDB KDC backend support

security/heimdal/files/patch-configure

@@ -1,15 +1,6 @@
 --- configure.orig	2016-12-20 04:24:03 UTC
 +++ configure
-@@ -9588,7 +9588,7 @@ $as_echo_n "checking whether the $compil
-   hardcode_minus_L=no
-   hardcode_shlibpath_var=unsupported
-   inherit_rpath=no
--  link_all_deplibs=unknown
-+  link_all_deplibs=no
-   module_cmds=
-   module_expsym_cmds=
-   old_archive_from_new_cmds=
-@@ -16126,7 +16126,7 @@ case "$host" in
+@@ -16126,7 +16126,7 @@
      ;;
  *-*-freebsd*)
  	native_pthread_support=yes
@@ -18,7 +9,16 @@
  	;;
  *-*-openbsd*)
  	native_pthread_support=yes
-@@ -16935,6 +16935,9 @@ esac
+@@ -16362,7 +16362,7 @@
+   $as_echo_n "(cached) " >&6
+ else
+ 
+-if eval "test \"\$ac_cv_func_db_create\" != yes" ; then
++if eval "test \"\$ac_cv_func_db_create\" = yes" ; then
+ 	ac_save_LIBS="$LIBS"
+ 	for ac_lib in "" $dbheader db-5 db5 db4 db3 db; do
+ 		case "$ac_lib" in
+@@ -16935,6 +16935,9 @@
  
  $as_echo "#define HAVE_NDBM 1" >>confdefs.h
        have_ndbm=yes
@@ -28,7 +28,7 @@
      else
  
        $as_unset ac_cv_func_dbm_firstkey
-@@ -28685,7 +28688,7 @@ fi
+@@ -28685,7 +28688,7 @@
  
  krb_cv_compile_et="no"
  krb_cv_com_err_need_r=""