Work around problem with forward declarations of constants in MSVC

in the amalgamation.  Ticket #2574. (CVS 4304)

FossilOrigin-Name: dc80b2e1f4e1d31479aad9f39e651e62f2601fb8

tool/mksqlite3c.tcl

@@ -233,7 +233,6 @@ foreach file {
    auth.c
    build.c
    callback.c
-   complete.c
    delete.c
    func.c
    insert.c
@@ -252,6 +251,7 @@ foreach file {
    parse.c
 
    tokenize.c
+   complete.c
 
    main.c
 } {