libcamera: process: closeAllFdsExcept(): Take vector by value

Instead of creating a new vector, take the vector by value to make it
possible for the caller to use move construction when calling the function.

Signed-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

include/libcamera/internal/process.h

@@ -45,7 +45,7 @@ public:
 private:
 	LIBCAMERA_DISABLE_COPY_AND_MOVE(Process)
 
-	void closeAllFdsExcept(const std::vector<int> &fds);
+	void closeAllFdsExcept(std::vector<int> v);
 	int isolate();
 	void died(int wstatus);