[sql] Import reference version of SQLite 3.7.6.3.

third_party/sqlite/sqlite-src-3070603/tool/showwal.c

 /*
 ** A utility for printing content from a write-ahead log file.
 */
 #include <stdio.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ skipping 335 matching lines @@
       }
       while( iStart<=iEnd ){
         print_frame(iStart);
         iStart++;
       }
     }
   }
   close(fd);
   return 0;
 }