Use tap.h from the libtap directory

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@2017 f882894a-f735-0410-b71e-b25c423dba1c

lib/tests/Makefile.am

@@ -5,7 +5,8 @@ noinst_PROGRAMS = @EXTRA_TEST@
 TESTS = @EXTRA_TEST@
 check_PROGRAMS = @EXTRA_TEST@
 
-INCLUDES = -I$(top_srcdir)/lib -I$(top_srcdir)/gl -I$(top_srcdir)/intl -I$(top_srcdir)/plugins
+TAP_LIB_DIR = $(top_srcdir)/@TAP_DIR@/src
+INCLUDES = -I$(top_srcdir)/lib -I$(top_srcdir)/gl -I$(top_srcdir)/intl -I$(top_srcdir)/plugins -I$(TAP_LIB_DIR)
 
 EXTRA_PROGRAMS = test_utils test_disk test_tcp test_cmd test_base64 test_ini test_opts
 
@@ -15,8 +16,6 @@ EXTRA_DIST = $(np_test_scripts) $(np_test_files)
 
 LIBS = @LIBINTL@
 
-TAP_LIB_DIR = $(top_srcdir)/@TAP_DIR@/src
-
 test_utils_SOURCES = test_utils.c
 test_utils_CFLAGS = -g -I..
 test_utils_LDFLAGS = -L$(TAP_LIB_DIR) -ltap