libcamera: Remove void specifier for functions that take no arguments

In C++, unlike in C, a function that takes no argument doesn't need to
specify void in the arguments list. Drop the unnecessary specifiers.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/gstreamer/gstlibcameraallocator.cpp

@@ -70,7 +70,7 @@ FrameWrap::~FrameWrap()
 	}
 }
 
-GQuark FrameWrap::getQuark(void)
+GQuark FrameWrap::getQuark()
 {
 	static gsize frame_quark = 0;