Merge "Bugfix: == vs = mixup."
diff --git a/stlport/stl/_locale.h b/stlport/stl/_locale.h
index fd6d537..93faed9 100644
--- a/stlport/stl/_locale.h
+++ b/stlport/stl/_locale.h
@@ -39,6 +39,8 @@
 #  include <stl/_string_fwd.h>
 #endif
 
+#include <stl/_string.h>
+
 #include <stl/_facets_fwd.h>
 
 _STLP_BEGIN_NAMESPACE