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-rw-r--r--src/h_align.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/h_align.cc b/src/h_align.cc
index 71e775cf..fa627ef0 100644
--- a/src/h_align.cc
+++ b/src/h_align.cc
@@ -35,6 +35,7 @@
#include "exceptions.h"
#include "h_align.h"
+#include <algorithm>
using std::string;
@@ -60,7 +61,7 @@ dcp::halign_to_string(HAlign h)
HAlign
dcp::string_to_halign(string s)
{
- transform(s.begin(), s.end(), s.begin(), ::tolower);
+ std::transform(s.begin(), s.end(), s.begin(), ::tolower);
if (s == "left") {
return HAlign::LEFT;