Raise the minimum value for curve approximation to 0.2.

With 0.1 Valentina produces visible errors.

--HG--
branch : develop

ChangeLog.txt

@@ -19,6 +19,7 @@
 - [#969] Fix length to label after soom.
 - [#725] Improve labels on drawing.
 - Move Tool options and Group menu to Window section.
+- Raise the minimum value for curve approximation to 0.2.
 
 # Version 0.6.2 (unreleased)
 - [#903] Bug in tool Cut Spline path.

src/libs/vmisc/def.cpp

@@ -59,7 +59,7 @@
 #include "vdatastreamenum.h"
 
 const qreal   defCurveApproximationScale = 0.5;
-const qreal   minCurveApproximationScale = 0.1;
+const qreal   minCurveApproximationScale = 0.2;
 const qreal   maxCurveApproximationScale = 10.0;
 
 const int minLabelFontSize = 5;