1 files changed, 6 insertions, 5 deletions
diff --git a/qga/vss-win32/requester.h b/qga/vss-win32/requester.h
index 374f9b8d16..0a8d048874 100644
--- a/qga/vss-win32/requester.h
+++ b/qga/vss-win32/requester.h
@@ -20,13 +20,14 @@
 extern "C" {
 #endif
 
+struct Error;
+
 /* Callback to set Error; used to avoid linking glib to the DLL */
-typedef void (*ErrorSetFunc)(void **errp, int win32_err, int err_class,
-                             const char *fmt, ...) GCC_FMT_ATTR(4, 5);
+typedef void (*ErrorSetFunc)(struct Error **errp, int win32_err,
+                             const char *fmt, ...) GCC_FMT_ATTR(3, 4);
 typedef struct ErrorSet {
-    ErrorSetFunc error_set;
-    void **errp;
-    int err_class;
+    ErrorSetFunc error_setg_win32;
+    struct Error **errp;
 } ErrorSet;
 
 STDAPI requester_init(void);