app/graphics/nxbe/nxbe_setsize.c: Fix backward source/destination in memcpy() in new per-window framebuffer logic.

arch/arm/src/lpc17xx/lpc17_allocateheap.c

@@ -407,7 +407,7 @@ void up_addregion(void)
     else
       {
         /* Use the entire SDRAM for heap (possible reserving a portion at
-         * the beginning of DRAM.
+         * the beginning of DRAM).
          */
 
         dram_start = LPC17_EXTDRAM_CS0 + CONFIG_LPC17_EXTDRAMHEAP_OFFSET;

graphics/nxbe/nxbe_fill.c

@@ -216,6 +216,6 @@ void nxbe_fill(FAR struct nxbe_window_s *wnd,
 
       /* Rend the bitmap directly to the graphics device in any case */
 
-       nxbe_fill_dev(wnd, &remaining, color);
+      nxbe_fill_dev(wnd, &remaining, color);
     }
 }

graphics/nxbe/nxbe_setsize.c

@@ -177,7 +177,7 @@ static void nxbe_realloc(FAR struct nxbe_window_s *wnd,
         {
           /* Copy valid row data */
 
-          memcpy(src, dest, minstride);
+          memcpy(dest, src, minstride);
 
           /* Pad any extra pixel data on the right (with zeroes?) */