add missing postgres provider symbol and link spit with QgsPostgresConn

src/plugins/spit/CMakeLists.txt

@@ -5,6 +5,7 @@
 SET (SPIT_SRCS
      qgsspit.cpp
      ../../providers/postgres/qgspgnewconnection.cpp
+     ../../providers/postgres/qgspostgresconn.cpp
      qgspgutil.cpp
      qgsshapefile.cpp
 )
@@ -30,6 +31,7 @@ SET (SPIT_EXE_MOC_HDRS
      qgsspit.h
      qgsshapefile.h
      ../../providers/postgres/qgspgnewconnection.h
+     ../../providers/postgres/qgspostgresconn.h
 )
 
 SET (SPIT_PLUGIN_MOC_HDRS

src/providers/postgres/qgspostgresconn.cpp

@@ -105,6 +105,12 @@ int QgsPostgresResult::PQftable( int col )
   return ::PQftable( mRes, col );
 }
 
+int QgsPostgresResult::PQftablecol( int col )
+{
+  Q_ASSERT( mRes );
+  return ::PQftablecol( mRes, col );
+}
+
 int QgsPostgresResult::PQftype( int col )
 {
   Q_ASSERT( mRes );