Try to fix a compil issue that does not happen on my computers.

common/gal/opengl/opengl_gal.cpp

@@ -869,7 +869,7 @@ void OPENGL_GAL::DrawArcSegment( const VECTOR2D& aCenterPoint, double aRadius,
 
     // Calculate the seg count to approximate the arc with aMaxError or less
     int segCount360 = GetArcToSegmentCount( aRadius, aMaxError, 360.0 );
-    segCount360 = std::max( CIRCLE_POINTS, segCount360 );
+    segCount360 = std::max( SEG_PER_CIRCLE_COUNT, segCount360 );
     double alphaIncrement = 2.0 * M_PI / segCount360;
 
     // Refinement: Use a segment count multiple of 2, because we have a control point

include/gal/opengl/opengl_gal.h

@@ -49,6 +49,9 @@
 #define CALLBACK
 #endif
 
+///< The default number of points for circle approximation
+#define SEG_PER_CIRCLE_COUNT  64
+
 struct bitmap_glyph;
 
 namespace KIGFX
@@ -56,6 +59,7 @@ namespace KIGFX
 class SHADER;
 class GL_BITMAP_CACHE;
 
+
 /**
  * OpenGL implementation of the Graphics Abstraction Layer.
  *
@@ -299,9 +303,6 @@ private:
     /// Super class definition
     typedef GAL super;
 
-    static const int    CIRCLE_POINTS   = 64;   ///< The number of points for circle approximation
-    static const int    CURVE_POINTS    = 32;   ///< The number of points for curve approximation
-
     static wxGLContext*     m_glMainContext;    ///< Parent OpenGL context
     wxGLContext*            m_glPrivContext;    ///< Canvas-specific OpenGL context
     static int              m_instanceCounter;  ///< GL GAL instance counter
@@ -510,7 +511,7 @@ private:
     double calcAngleStep( double aRadius ) const
     {
         // Bigger arcs need smaller alpha increment to make them look smooth
-        return std::min( 1e6 / aRadius, 2.0 * M_PI / CIRCLE_POINTS );
+        return std::min( 1e6 / aRadius, 2.0 * M_PI / SEG_PER_CIRCLE_COUNT );
     }
 
     double getWorldPixelSize() const;