Import upstream commit https://github.com/sqlite/sqlite/commit/76e48f4d6648f514a47a4c769c931126da2a7696
to fix the following compiler error.
tclsqlite3.c:56:15: error: cannot combine with previous 'int' declaration specifier
56 | typedef int Tcl_Size;
| ^
<command line>:18:18: note: expanded from macro 'Tcl_Size'
18 | #define Tcl_Size int
| ^
tclsqlite3.c:56:3: error: typedef requires a name [-Werror,-Wmissing-declarations]
56 | typedef int Tcl_Size;
| ^~~~~~~~~~~~~~~~~~~~