3 lines while -> 1 line for loop

Originally committed as revision 5577 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/flacenc.c

@@ -788,13 +788,11 @@ static int get_max_p_order(int max_porder, int n, int order)
 {
     int porder, max_parts;
 
-    porder = max_porder;
-    while(porder > 0) {
+    for(porder = max_porder; porder > 0; porder--) {
         max_parts = (1 << porder);
         if(!(n % max_parts) && (n > max_parts*order)) {
             break;
         }
-        porder--;
     }
     return porder;
 }