Fixed handling of svg images that caused an infinite loop (most notably

Kicker was hanging with 100% CPU usage).

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit ffe8e495d7)

kdecore/svgicons/ksvgiconpainter.cpp

@@ -747,7 +747,14 @@ public:
 
 		d = (x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0);
 
-		sfactor_sq = 1.0 / d - 0.25;
+		if (d)
+		{
+		  sfactor_sq = 1.0 / d - 0.25;
+		}
+		else
+		{
+		  sfactor_sq = 0;
+		}
 
 		if(sfactor_sq < 0)
 			sfactor_sq = 0;
@@ -770,7 +777,7 @@ public:
 		else if(th_arc > 0 && !sweepFlag)
 			th_arc -= 2 * M_PI;
 
-		n_segs = (int) (int) ceil(fabs(th_arc / (M_PI * 0.5 + 0.001)));
+		n_segs = (int) ceil(fabs(th_arc / (M_PI * 0.5 + 0.001)));
 
 		for(i = 0; i < n_segs; i++)
 		{