Fix a bug in ICU's bidi handling.

source/common/ubidi.c

Index: source/common/ubidi.c
===================================================================
--- source/common/ubidi.c	(revision 291619)
+++ source/common/ubidi.c	(working copy)
@@ -671,10 +671,10 @@
     bd->isoRuns[0].lastStrongPos=bd->isoRuns[0].contextPos=0;
     if(pBiDi->openingsMemory) {
         bd->openings=pBiDi->openingsMemory;
-        bd->openingsSize=pBiDi->openingsSize;
+        bd->openingsCount=pBiDi->openingsSize / sizeof(Opening);
     } else {
         bd->openings=bd->simpleOpenings;
-        bd->openingsSize=SIMPLE_OPENINGS_SIZE;
+        bd->openingsCount=SIMPLE_OPENINGS_SIZE;
     }
     bd->isNumbersSpecial=bd->pBiDi->reorderingMode==UBIDI_REORDER_NUMBERS_SPECIAL ||
                          bd->pBiDi->reorderingMode==UBIDI_REORDER_INVERSE_FOR_NUMBERS_SPECIAL;
@@ -732,7 +732,7 @@
 bracketAddOpening(BracketData *bd, UChar match, int32_t position) {
     IsoRun *pLastIsoRun=&bd->isoRuns[bd->isoRunLast];
     Opening *pOpening;
-    if(pLastIsoRun->limit>=bd->openingsSize) {  /* no available new entry */
+    if(pLastIsoRun->limit>=bd->openingsCount) {  /* no available new entry */
         UBiDi *pBiDi=bd->pBiDi;
         if(!getInitialOpeningsMemory(pBiDi, pLastIsoRun->limit * 2))
             return FALSE;
@@ -740,7 +740,7 @@
             uprv_memcpy(pBiDi->openingsMemory, bd->simpleOpenings,
                         SIMPLE_OPENINGS_SIZE * sizeof(Opening));
         bd->openings=pBiDi->openingsMemory;     /* may have changed */
-        bd->openingsSize=pBiDi->openingsSize;
+        bd->openingsCount=pBiDi->openingsSize / sizeof(Opening);
     }
     pOpening=&bd->openings[pLastIsoRun->limit];
     pOpening->position=position;