Make symbols visible (Unity uses them).

mono/metadata/domain-internals.h

@@ -535,7 +535,7 @@ gboolean
 mono_runtime_get_no_exec (void) MONO_INTERNAL;
 
 gboolean
-mono_assembly_name_parse (const char *name, MonoAssemblyName *aname) MONO_INTERNAL;
+mono_assembly_name_parse (const char *name, MonoAssemblyName *aname);
 
 MonoImage *mono_assembly_open_from_bundle (const char *filename,
 					   MonoImageOpenStatus *status,

mono/metadata/threads-types.h

@@ -215,8 +215,8 @@ void mono_thread_abort_all_other_threads (void) MONO_INTERNAL;
 void mono_thread_suspend_all_other_threads (void) MONO_INTERNAL;
 gboolean mono_threads_abort_appdomain_threads (MonoDomain *domain, int timeout) MONO_INTERNAL;
 
-void mono_thread_push_appdomain_ref (MonoDomain *domain) MONO_INTERNAL;
-void mono_thread_pop_appdomain_ref (void) MONO_INTERNAL;
+void mono_thread_push_appdomain_ref (MonoDomain *domain);
+void mono_thread_pop_appdomain_ref (void);
 gboolean mono_thread_has_appdomain_ref (MonoThread *thread, MonoDomain *domain) MONO_INTERNAL;
 
 void mono_threads_clear_cached_culture (MonoDomain *domain) MONO_INTERNAL;

msvc/mono.def

@@ -890,3 +890,8 @@ mono_win32_compat_ZeroMemory
 
 mono_runtime_unhandled_exception_policy_get
 mono_runtime_unhandled_exception_policy_set
+
+mono_assembly_name_parse
+mono_thread_push_appdomain_ref
+mono_thread_pop_appdomain_ref
+