[sql] Import reference version of SQLite 3.7.6.3.

third_party/sqlite/sqlite-src-3070603/src/resolve.c

 /*
 ** 2008 August 18
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
@@ skipping 1184 matching lines @@
 ){
   Walker w;
 
   assert( p!=0 );
   w.xExprCallback = resolveExprStep;
   w.xSelectCallback = resolveSelectStep;
   w.pParse = pParse;
   w.u.pNC = pOuterNC;
   sqlite3WalkSelect(&w, p);
 }