Configure: Use PkgConfig for verifying libgcrypt availability

Debian Trixie has removed `libgcrypt-config` script, so the original
method stopped working.

diff --git a/configure b/configure
index 4707901ed92aeb3052f453094534035dc4d00c17..1b440b85410734f04fc1129f4f149410ecc6fb2f 100755 (executable)
--- a/configure
+++ b/configure
@@ -39,7 +39,7 @@ use UCW::Configure::Pkg;
 # Get some libraries
 PkgConfig("libucw") or Fail("libucw is required");
 PkgConfig("libucw-json") or Fail("libucw-json is required");
-TrivConfig("libgcrypt", script => "libgcrypt-config", minversion => '1.6') or Fail("libgcrypt is required");
+PkgConfig("libgcrypt", minversion => '1.6') or Fail("libgcrypt is required");
 
 if (IsSet("CONFIG_APACHE_MOD")) {
        Log "Checking for apxs2 ... ";