hw/i386/vmport: Drop superfluous parenthesis around function typedef

Drop superfluous parenthesis around VMPortReadFunc typedef
(added in d67f679d, missed to remove when moved in e5951129).

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200505142836.16903-1-philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

include/hw/i386/vmport.h

@@ -4,7 +4,7 @@
 #include "hw/isa/isa.h"
 
 #define TYPE_VMPORT "vmport"
-typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
+typedef uint32_t VMPortReadFunc(void *opaque, uint32_t address);
 
 typedef enum {
     VMPORT_CMD_GETVERSION       = 10,