aprutil: fix db dependency

This fixes a regression introduced in 4b06383.

[dezgeg squashed in to fit the changes introduced in "db: Use more
conventional outputs, also split bin", also patch .la file]

pkgs/development/libraries/apr-util/default.nix

@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-apr=${apr.dev}" "--with-expat=${expat.dev}" ]
     ++ optional (!stdenv.isCygwin) "--with-crypto"
     ++ optional sslSupport "--with-openssl=${openssl.dev}"
-    ++ optional bdbSupport "--with-berkeley-db=${db}"
+    ++ optional bdbSupport "--with-berkeley-db=${db.dev}"
     ++ optional ldapSupport "--with-ldap=ldap"
     ++ optionals stdenv.isCygwin
       [ "--without-pgsql" "--without-sqlite2" "--without-sqlite3"
@@ -47,6 +47,7 @@ stdenv.mkDerivation rec {
     for f in $out/lib/*.la $out/lib/apr-util-1/*.la; do
       substituteInPlace $f \
         --replace "${expat.dev}/lib" "${expat.out}/lib" \
+        --replace "${db.dev}/lib" "${db.out}/lib" \
         --replace "${openssl.dev}/lib" "${openssl.out}/lib"
     done