Update sqlite to 3.7.3.

third_party/sqlite/src/src/mutex_os2.c

Index: third_party/sqlite/src/src/mutex_os2.c
diff --git a/third_party/sqlite/src/src/mutex_os2.c b/third_party/sqlite/src/src/mutex_os2.c
index 15ffd2c9f3b2fbdf2cf4b5e32a7fd681c0001964..4438c097c49614f41bd977eb48ff82afcfdbd743 100644
--- a/third_party/sqlite/src/src/mutex_os2.c
+++ b/third_party/sqlite/src/src/mutex_os2.c
@@ -10,8 +10,6 @@
 **
 *************************************************************************
 ** This file contains the C functions that implement mutexes for OS/2
-**
-** $Id: mutex_os2.c,v 1.11 2008/11/22 19:50:54 pweilbacher Exp $
 */
 #include "sqliteInt.h"
 
@@ -160,6 +158,39 @@ static void os2MutexFree(sqlite3_mutex *p){
   sqlite3_free( p );
 }
 
+#ifdef SQLITE_DEBUG
+/*
+** The sqlite3_mutex_held() and sqlite3_mutex_notheld() routine are
+** intended for use inside assert() statements.
+*/
+static int os2MutexHeld(sqlite3_mutex *p){
+  TID tid;
+  PID pid;
+  ULONG ulCount;
+  PTIB ptib;
+  if( p!=0 ) {
+    DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
+  } else {
+    DosGetInfoBlocks(&ptib, NULL);
+    tid = ptib->tib_ptib2->tib2_ultid;
+  }
+  return p==0 || (p->nRef!=0 && p->owner==tid);
+}
+static int os2MutexNotheld(sqlite3_mutex *p){
+  TID tid;
+  PID pid;
+  ULONG ulCount;
+  PTIB ptib;
+  if( p!= 0 ) {
+    DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
+  } else {
+    DosGetInfoBlocks(&ptib, NULL);
+    tid = ptib->tib_ptib2->tib2_ultid;
+  }
+  return p==0 || p->nRef==0 || p->owner!=tid;
+}
+#endif
+
 /*
 ** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
 ** to enter a mutex.  If another thread is already within the mutex,
@@ -220,41 +251,8 @@ static void os2MutexLeave(sqlite3_mutex *p){
   DosReleaseMutexSem(p->mutex);
 }
 
-#ifdef SQLITE_DEBUG
-/*
-** The sqlite3_mutex_held() and sqlite3_mutex_notheld() routine are
-** intended for use inside assert() statements.
-*/
-static int os2MutexHeld(sqlite3_mutex *p){
-  TID tid;
-  PID pid;
-  ULONG ulCount;
-  PTIB ptib;
-  if( p!=0 ) {
-    DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
-  } else {
-    DosGetInfoBlocks(&ptib, NULL);
-    tid = ptib->tib_ptib2->tib2_ultid;
-  }
-  return p==0 || (p->nRef!=0 && p->owner==tid);
-}
-static int os2MutexNotheld(sqlite3_mutex *p){
-  TID tid;
-  PID pid;
-  ULONG ulCount;
-  PTIB ptib;
-  if( p!= 0 ) {
-    DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
-  } else {
-    DosGetInfoBlocks(&ptib, NULL);
-    tid = ptib->tib_ptib2->tib2_ultid;
-  }
-  return p==0 || p->nRef==0 || p->owner!=tid;
-}
-#endif
-
-sqlite3_mutex_methods *sqlite3DefaultMutex(void){
-  static sqlite3_mutex_methods sMutex = {
+sqlite3_mutex_methods const *sqlite3DefaultMutex(void){
+  static const sqlite3_mutex_methods sMutex = {
     os2MutexInit,
     os2MutexEnd,
     os2MutexAlloc,