[naylib-contributors] Updating the raylib source files.

[planetis-m]

Rectangle -> rlRectangle
CloseWindow -> rlCloseWindow
ShowCursor -> rlShowCursor
LoadImage -> rlLoadImage
DrawText -> rlDrawText
DrawTextEx -> rlDrawTextEx

[planetis-m]

How to update broken patch:

nim update update_bindings.nims
nim wrap update_bindings.nims
git commit -am "update upstream"
git apply --reject mangle_names.patch
:: search for *.rej files and fix the error(s) manually
git commit -am "mangle names"
git format-patch -1 --stdout > mangle_names.patch
git commit -am "update mangle_names.patch"
git reset --soft HEAD~3
git commit -m "Update upstream"