Add xptr_locs flag to win32/configure.js
The xptr_locs flag was added in commit 67070107 but no flag was added to win32/configure.js, leading a compile error I had on windows where the @WITH_XPTR_LOCS@ macro was not replaced properly.
The xptr_locs flag was added in commit 67070107 but no flag was added to win32/configure.js, leading a compile error I had on windows where the @WITH_XPTR_LOCS@ macro was not replaced properly.