[sql] Import reference version of SQLite 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/src/test_backup.c

Index: third_party/sqlite/sqlite-src-3080704/src/test_backup.c
diff --git a/third_party/sqlite/src/src/test_backup.c b/third_party/sqlite/sqlite-src-3080704/src/test_backup.c
similarity index 92%
copy from third_party/sqlite/src/src/test_backup.c
copy to third_party/sqlite/sqlite-src-3080704/src/test_backup.c
index 272713785a1a6d888ded5b7e3e61bc57fea79f61..e967424a290f738aecfdac578e9b87a4c4ae8d7f 100644
--- a/third_party/sqlite/src/src/test_backup.c
+++ b/third_party/sqlite/sqlite-src-3080704/src/test_backup.c
@@ -17,9 +17,11 @@
 #include <sqlite3.h>
 #include <assert.h>
 
+/* These functions are implemented in main.c. */
+extern const char *sqlite3ErrName(int);
+
 /* These functions are implemented in test1.c. */
-int getDbPointer(Tcl_Interp *, const char *, sqlite3 **);
-const char *sqlite3TestErrorName(int);
+extern int getDbPointer(Tcl_Interp *, const char *, sqlite3 **);
 
 static int backupTestCmd(
   ClientData clientData, 
@@ -70,7 +72,7 @@ static int backupTestCmd(
       Tcl_DeleteCommand(interp, zCmdName);
 
       rc = sqlite3_backup_finish(p);
-      Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
+      Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
       break;
     }
 
@@ -80,7 +82,7 @@ static int backupTestCmd(
         return TCL_ERROR;
       }
       rc = sqlite3_backup_step(p, nPage);
-      Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
+      Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
       break;
     }