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>

include/libcamera/internal/ipa_module.h

@@ -52,7 +52,7 @@ private:
 	bool loaded_;
 
 	void *dlHandle_;
-	typedef struct ipa_context *(*IPAIntfFactory)(void);
+	typedef struct ipa_context *(*IPAIntfFactory)();
 	IPAIntfFactory ipaCreate_;
 };