m4: libcap.m4 - Modernize m4 syntax

diff --git a/m4/libcap.m4 b/m4/libcap.m4
index b4ab9cc1337b9df92eee9c0d43a0fa6d80654653..b1403424144cb206e3e28600d108ff9be688c060 100644 (file)
--- a/m4/libcap.m4
+++ b/m4/libcap.m4
@@ -1,13 +1,13 @@
 AC_DEFUN([DOVECOT_LIBCAP],[
- if test $want_libcap != no; then
+ AS_IF([test $want_libcap != no], [
    AC_CHECK_LIB(cap, cap_init, [
      AC_DEFINE(HAVE_LIBCAP,, [libcap is installed for cap_init()])
      LIBCAP="-lcap"
      AC_SUBST(LIBCAP)
    ], [
-     if test "$want_libcap" = "yes"; then
+     AS_IF([test "$want_libcap" = "yes"], [
        AC_ERROR([Can't build with libcap support: libcap not found])
-     fi
+     ])
    ])
- fi
+ ])
 ])