fix build warnings about unused variables

db/mork/src/morkParser.cpp

@@ -606,8 +606,6 @@ morkParser::ReadCell(morkEnv* ev)
 
 void morkParser::ReadRowPos(morkEnv* ev)
 {
-  morkStream* s = mParser_Stream;
-
   int c; // next character
   mork_pos rowPos = this->ReadHex(ev, &c);
   
@@ -1141,7 +1139,6 @@ mork_bool morkParser::ReadAt(morkEnv* ev, mork_bool inInsideGroup)
   {
     morkStream* s = mParser_Stream;
      register int c;
-    int next = 0;
     if ( ((c = s->Getc(ev)) == '{' || c == '}') && ev->Good() )
      {
        if ( c == '{' ) // start of new group?

db/mork/src/orkinTable.cpp

@@ -890,7 +890,7 @@ orkinTable::GetSearchColumns( // query columns used by FindRowMatches()
   MORK_USED_1(outColSet);
   mdb_count count = 0;
   mdb_err outErr = 0;
-  nsIMdbThumb* outThumb = 0;
+//  nsIMdbThumb* outThumb = 0;
   morkEnv* ev = this->CanUseTable(mev, /*inMutable*/ morkBool_kFalse, &outErr);
   if ( ev )
   {