Bring back sources to compilable state on linux

diff --git a/src/SketchPlugin/SketchPlugin_Sketch.cpp b/src/SketchPlugin/SketchPlugin_Sketch.cpp
index 14a9d4897d4d97f91d3f0c82772cee289d623ed4..b5f101595aa27b8786bd6391b71bb4964ace0b25 100644 (file)
--- a/src/SketchPlugin/SketchPlugin_Sketch.cpp
+++ b/src/SketchPlugin/SketchPlugin_Sketch.cpp
@@ -30,6 +30,7 @@
 
 #include <boost/smart_ptr/shared_ptr.hpp>
 
+#include <math.h>
 #include <vector>
 
 using namespace std;