win32_has_focus - buildfix

gfx/common/win32_common.cpp

@@ -678,7 +678,7 @@ static HANDLE GetFocus(void)
 }
 #endif
 
-bool win32_has_focus(void *data)
+bool win32_has_focus(void)
 {
    if (!g_inited)
       return false;

gfx/common/win32_common.h

@@ -75,7 +75,7 @@ bool win32_get_metrics(void *data,
 
 void win32_show_cursor(bool state);
 
-bool win32_has_focus(void *data);
+bool win32_has_focus(void);
 
 void win32_check_window(bool *quit,
       bool *resize, unsigned *width, unsigned *height);