Fix member variables not initialized in constructor

Change-Id: I17275e7e17f76da967d2fa798f5ee88b50fd6d72
Reviewed-on: https://gerrit.libreoffice.org/2121Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>

slideshow/source/engine/OGLTrans/generic/OGLTrans_TransitionImpl.hxx

@@ -379,7 +379,7 @@ public:
     virtual void interpolate(double t,double SlideWidthScale,double SlideHeightScale) const = 0;
 
 protected:
-    Operation(){}
+    Operation():bInterpolate(false), nT0(0.0), nT1(0.0){}
 };
 
 /** this class is a generic CounterClockWise(CCW) rotation with an axis angle

slideshow/source/engine/OGLTrans/mac/OGLTrans_TransitionImpl.hxx

@@ -283,7 +283,7 @@ private:
 class Operation
 {
 public:
-    Operation(){}
+    Operation():bInterpolate(false), nT0(0.0), nT1(0.0){}
     virtual ~Operation(){}
 
     /** Should this operation be interpolated . If TRUE, the transform will smoothly move from making no difference from t = 0.0 to nT0 to being completely transformed from t = nT1 to 1. If FALSE, the transform will be inneffectual from t = 0 to nT0, and completely transformed from t = nT0 to 1.

slideshow/source/engine/OGLTrans/win/OGLTrans_TransitionImpl.hxx

@@ -290,7 +290,7 @@ private:
 class Operation
 {
 public:
-    Operation(){}
+    Operation():bInterpolate(false), nT0(0.0), nT1(0.0){}
     virtual ~Operation(){}
 
     /** Should this operation be interpolated . If TRUE, the transform will smoothly move from making no difference from t = 0.0 to nT0 to being completely transformed from t = nT1 to 1. If FALSE, the transform will be inneffectual from t = 0 to nT0, and completely transformed from t = nT0 to 1.