Print libzip availability at both configure and piler -V output

Signed-off-by: Janos SUTO <sj@acts.hu>

configure

@@ -4704,6 +4704,8 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
    antispam_libs="$antispam_libs -lzip"
+else
+   echo "zip library: no"
 fi
 
 if test "$have_tcpwrappers" = "yes"; then

configure.in

@@ -426,6 +426,8 @@ if test "$have_zip" = "yes"; then
    echo "zip library: yes"
    AC_DEFINE_UNQUOTED(HAVE_ZIP, 1, [libzip support])
    antispam_libs="$antispam_libs -lzip"
+else
+   echo "zip library: no"
 fi
 
 if test "$have_tcpwrappers" = "yes"; then

src/misc.c

@@ -63,6 +63,10 @@ void get_extractor_list(){
       printf("%s ", HAVE_TNEF);
    #endif
 
+   #ifdef HAVE_ZIP
+      printf("libzip ");
+   #endif
+
    printf("\n\n");
 }