introduce a header to forward declare std::string.

[features.git] / src / lengthcommon.cpp

diff --git a/src/lengthcommon.cpp b/src/lengthcommon.cpp
index 9897dc3413de94c4669687602056247b09e4ff10..d4f16b05146d06a65ef373f2a2b0a7c62b002d39 100644 (file)
--- a/src/lengthcommon.cpp
+++ b/src/lengthcommon.cpp
@@ -13,9 +13,10 @@
 #include <config.h>
 
 #include "Length.h"
-
 #include "gettext.h"
 
+#include <string>
+
 
 namespace lyx {