[TD]default LineFormat ctor

src/Mod/TechDraw/App/Cosmetic.cpp

@@ -74,6 +74,14 @@ using namespace std;
 #define COSMETICEDGE 1
 #define CENTERLINE   2
 
+LineFormat::LineFormat()
+{
+    m_style = getDefEdgeStyle();
+    m_weight = getDefEdgeWidth();
+    m_color= getDefEdgeColor();
+    m_visible = true;
+}
+
 LineFormat::LineFormat(int style,
                double weight,
                App::Color color,

src/Mod/TechDraw/App/Cosmetic.h

@@ -44,10 +44,11 @@ class DrawViewPart;
 class TechDrawExport LineFormat
 {
 public:
-    LineFormat(int style = getDefEdgeStyle(),
-               double weight = getDefEdgeWidth(),
-               App::Color color = getDefEdgeColor(),
-               bool visible = true);
+    LineFormat();
+    LineFormat(int style,
+               double weight,
+               App::Color color,
+               bool visible);
     ~LineFormat() = default;
 
     int m_style;