glib/sys: Manually implement g_atomic_int_get

As it gets mis-generated

Author: bilelmoussaoui

glib/sys/Gir.toml

@@ -74,6 +74,10 @@ status = "generate"
     # see https://gitlab.gnome.org/GNOME/glib/-/issues/3231 + majority of those are available through std
     ignore = true
     [[object.function]]
+    name = "atomic_int_get"
+    # generates a type using *const volatile instead of *const gint or so.
+    manual = true
+    [[object.function]]
     name = "unix_get_passwd_entry"
     cfg_condition = "unix"
     [[object.function]]

glib/sys/src/lib.rs

@@ -6280,7 +6280,6 @@ extern "C" {
     #[cfg_attr(docsrs, doc(cfg(feature = "v2_74")))]
     pub fn g_atomic_int_exchange(atomic: *mut gint, newval: c_int) -> c_int;
     pub fn g_atomic_int_exchange_and_add(atomic: *mut gint, val: c_int) -> c_int;
-    pub fn g_atomic_int_get(atomic: *const volatile) -> c_int;
     pub fn g_atomic_int_inc(atomic: *mut gint);
     pub fn g_atomic_int_or(atomic: *mut guint, val: c_uint) -> c_uint;
     pub fn g_atomic_int_set(atomic: *mut gint, newval: c_int);

glib/sys/src/manual.rs

@@ -120,3 +120,7 @@ mod win32 {
         pub fn g_win32_get_windows_version() -> c_uint;
     }
 }
+
+extern "C" {
+    pub fn g_atomic_int_get(atomic: *const c_int) -> c_int;
+}