Updated prototypes with no arguments with a void argument as suggested

by compilation warnings

src/obiview.c

@@ -105,7 +105,7 @@ static bool view_exists(OBIDMS_p dms, const char* view_name);
  * @since June 2016
  * @author Celine Mercier (celine.mercier@metabarcoding.org)
  */
-static size_t get_platform_view_file_size();
+static size_t get_platform_view_file_size(void);
 
 
 /**