Fixed missing std:: compiler error.

159c2bbe · Davis King · 32652774 · 159c2bbe
Commit 159c2bbe authored Feb 28, 2012 by Davis King
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vector.h dlib/geometry/vector.h +2 -2

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--- a/dlib/geometry/vector.h
+++ b/dlib/geometry/vector.h
@@ -1362,8 +1362,8 @@ namespace dlib
         double angle
    )
    {
-        const double ca = cos(angle);
-        const double sa = sin(angle);
+        const double ca = std::cos(angle);
+        const double sa = std::sin(angle);

        matrix<double,2,2> m;
        m = ca, -sa,