[raster] Fix valgrind warning.

* src/raster/ftraster.c (Decompose_Curve) <default>: Access point[0]
only if we don't hit `limit'.

ChangeLog

@@ -1,3 +1,10 @@
+2010-08-06  Yuriy Kaminskiy  <yumkam@mail.ru>
+
+	[raster] Fix valgrind warning.
+
+	* src/raster/ftraster.c (Decompose_Curve) <default>: Access point[0]
+	only if we don't hit `limit'.
+
 2010-08-06  suzuki toshiya  <mpsuzuki@hiroshima-u.ac.jp>
 
 	Fix Savannah bug #30658.

src/raster/ftraster.c

@@ -1931,18 +1931,21 @@
           y1 = SCALED( point[-2].y );
           x2 = SCALED( point[-1].x );
           y2 = SCALED( point[-1].y );
-          x3 = SCALED( point[ 0].x );
-          y3 = SCALED( point[ 0].y );
 
           if ( flipped )
           {
             SWAP_( x1, y1 );
             SWAP_( x2, y2 );
-            SWAP_( x3, y3 );
           }
 
           if ( point <= limit )
           {
+            x3 = SCALED( point[0].x );
+            y3 = SCALED( point[0].y );
+
+            if ( flipped )
+              SWAP_( x3, y3 );
+
             if ( Cubic_To( RAS_VARS x1, y1, x2, y2, x3, y3 ) )
               goto Fail;
             continue;
@@ -2495,7 +2498,7 @@
           PByte  p;
 
 
-          p = bits - e1*ras.target.pitch;
+          p = bits - e1 * ras.target.pitch;
           if ( ras.target.pitch > 0 )
             p += ( ras.target.rows - 1 ) * ras.target.pitch;