Fixed some licenses

pkgs/servers/sql/postgresql/jdbc/default.nix

@@ -20,9 +20,9 @@ stdenv.mkDerivation rec {
       cp jars/*.jar $out/share/java
     '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://jdbc.postgresql.org/;
     description = "JDBC driver for PostgreSQL allowing Java programs to connect to a PostgreSQL database";
-    license = "bsd";
+    license = licenses.bsd3;
   };
 }

pkgs/servers/sql/postgresql/psqlodbc/default.nix

@@ -12,9 +12,9 @@ stdenv.mkDerivation rec {
 
   configureFlags = "--with-iodbc=${libiodbc}";
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://psqlodbc.projects.postgresql.org/;
     description = "ODBC driver for PostgreSQL";
-    license = "LGPL";
+    license = licenses.lgpl2;
   };
 }