libcamera: base: shared_fd: Rename fd() to get()

For consistency with UniqueFD, rename the fd() function to get().
Renaming UniqueFD::get() to fd() would have been another option, but was
rejected to keep as close as possible to the std::shared_ptr<> and
std::unique_ptr<> APIs.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>

src/libcamera/framebuffer.cpp

@@ -218,7 +218,7 @@ ino_t fileDescriptorInode(const SharedFD &fd)
 		return 0;
 
 	struct stat st;
-	int ret = fstat(fd.fd(), &st);
+	int ret = fstat(fd.get(), &st);
 	if (ret < 0) {
 		ret = -errno;
 		LOG(Buffer, Fatal)