meson: Fix build on {cross-,}win{32,64}

We use visual studio module definitions for the list of symbols to
export when targetting Windows. Fixes CI failure:

../validate/tools/gst-validate.c:460: undefined reference to `gst_validate_spin_on_fault_signals'

diff --git a/validate/win32/common/libgstvalidate.def b/validate/win32/common/libgstvalidate.def
index 5db8504..d9bac50 100644 (file)
--- a/validate/win32/common/libgstvalidate.def
+++ b/validate/win32/common/libgstvalidate.def
@@ -157,6 +157,7 @@ EXPORTS
        gst_validate_scenario_get_pipeline
        gst_validate_scenario_get_target_state
        gst_validate_scenario_get_type
+       gst_validate_spin_on_fault_signals
        gst_validate_structs_parse_from_gfile
        gst_validate_tag_node_compare
        gst_validate_utils_enum_from_str