Fixed gcc 4 warnings.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31297 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/diskprobe/DataView.cpp

@@ -561,7 +561,7 @@ DataView::DrawSelectionFrame(view_focus which)
 	// *********
 
 	BRect rect;
-	if (start == 0 || !drawBlock && !drawLastLine)
+	if (start == 0 || (!drawBlock && !drawLastLine))
 		rect = firstLine;
 	else if (drawBlock)
 		rect = block;

src/apps/diskprobe/ProbeView.cpp

@@ -92,6 +92,7 @@ class PositionSlider : public BSlider {
 		off_t Size() const { return fSize; }
 		uint32 BlockSize() const { return fBlockSize; }
 
+		virtual void SetPosition(float position);
 		void SetPosition(off_t position);
 		void SetSize(off_t size);
 		void SetBlockSize(uint32 blockSize);
@@ -414,6 +415,13 @@ PositionSlider::Position() const
 }
 
 
+void
+PositionSlider::SetPosition(float position)
+{
+	BSlider::SetPosition(position);
+}
+
+
 void
 PositionSlider::SetPosition(off_t position)
 {