ntdll: Make release_builtin_module() static.

dlls/ntdll/unix/unix_private.h

@@ -229,7 +229,6 @@ extern void virtual_set_force_exec( BOOL enable ) DECLSPEC_HIDDEN;
 extern void virtual_set_large_address_space(void) DECLSPEC_HIDDEN;
 extern void virtual_fill_image_information( const pe_image_info_t *pe_info,
                                             SECTION_IMAGE_INFORMATION *info ) DECLSPEC_HIDDEN;
-extern NTSTATUS release_builtin_module( void *module ) DECLSPEC_HIDDEN;
 extern void *get_builtin_so_handle( void *module ) DECLSPEC_HIDDEN;
 extern NTSTATUS get_builtin_unix_info( void *module, const char **name, void **handle, void **entry ) DECLSPEC_HIDDEN;
 extern NTSTATUS set_builtin_unix_info( void *module, const char *name, void *handle, void *entry ) DECLSPEC_HIDDEN;

dlls/ntdll/unix/virtual.c

@@ -615,7 +615,7 @@ static void add_builtin_module( void *module, void *handle )
 /***********************************************************************
  *           release_builtin_module
  */
-NTSTATUS release_builtin_module( void *module )
+static void release_builtin_module( void *module )
 {
     struct builtin_module *builtin;
 
@@ -630,9 +630,8 @@ NTSTATUS release_builtin_module( void *module )
             free( builtin->unix_name );
             free( builtin );
         }
-        return STATUS_SUCCESS;
+        break;
     }
-    return STATUS_INVALID_PARAMETER;
 }