Fix Windows build failure.

[libdcp.git] / src / v_align.cc

diff --git a/src/v_align.cc b/src/v_align.cc
index de92dcdf722a726a2928df83302f0850472e9f53..f9e01c29f0247769c4b383967f1cce8d453234be 100644 (file)
--- a/src/v_align.cc
+++ b/src/v_align.cc
@@ -34,6 +34,7 @@
 
 #include "exceptions.h"
 #include "v_align.h"
+#include <algorithm>
 
 
 using std::string;
@@ -60,7 +61,7 @@ dcp::valign_to_string (VAlign v)
 VAlign
 dcp::string_to_valign (string s)
 {
-       transform(s.begin(), s.end(), s.begin(), ::tolower);
+       std::transform(s.begin(), s.end(), s.begin(), ::tolower);
 
        if (s == "top") {
                return VAlign::TOP;