Patches for DB version 2.2.6

  1. Problem: The DB library doesn't correctly compile on Solaris, when using the GNU gcc compiler.
    Apply the following patch to the dist/configure file.  
    *** dist/configure.orig Wed Aug 20 18:58:12 1997
    --- dist/configure      Wed Aug 20 18:58:46 1997
    ***************
    *** 2577,2583 ****
      cat > conftest.$ac_ext <<EOF
      #line 2579 "configure"
      #include "confdefs.h"
    ! #include <thread.h>, #include <synch.h>
      int main() {
      typedef sema_t tsl_t;
       sema_t x;
    --- 2577,2583 ----
      cat > conftest.$ac_ext <<EOF
      #line 2579 "configure"
      #include "confdefs.h"
    ! #include <synch.h>
      int main() {
      typedef sema_t tsl_t;
       sema_t x;