removed some (Uint32)-1 casts

ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp

@@ -746,14 +746,15 @@ bool Dbtup::readTriggerInfo(TupTriggerData* const trigPtr,
 //--------------------------------------------------------------------
 // Read Primary Key Values
 //--------------------------------------------------------------------
-  noPrimKey = readAttributes(pagep.p,
+  int ret= readAttributes(pagep.p,
 			  tupheadoffset,
 			  &tableDescriptor[regTabPtr->readKeyArray].tabDescr,
 			  regTabPtr->noOfKeyAttr,
 			  keyBuffer,
 			  ZATTR_BUFFER_SIZE,
 			  true);
-  ndbrequire(noPrimKey != (Uint32)-1);
+  ndbrequire(ret != -1);
+  noPrimKey= ret;
 
   Uint32 numAttrsToRead;
   if ((regOperPtr->optype == ZUPDATE) &&
@@ -788,14 +789,15 @@ bool Dbtup::readTriggerInfo(TupTriggerData* const trigPtr,
   if ((regOperPtr->optype != ZDELETE) ||
       (trigPtr->sendBeforeValues)) {
     ljam();
-    noMainWords = readAttributes(pagep.p,
+    int ret= readAttributes(pagep.p,
 			    tupheadoffset,
 			    &readBuffer[0],
 			    numAttrsToRead,
 			    mainBuffer,
 			    ZATTR_BUFFER_SIZE,
 			    true);
-    ndbrequire(noMainWords != (Uint32)-1);
+    ndbrequire(ret != -1);
+    noMainWords= ret;
   } else {
     ljam();
     noMainWords = 0;
@@ -813,7 +815,7 @@ bool Dbtup::readTriggerInfo(TupTriggerData* const trigPtr,
     pagep.i = regOperPtr->realPageIdC;
     ptrCheckGuard(pagep, cnoOfPage, page);
 
-    noCopyWords = readAttributes(pagep.p,
+    int ret= readAttributes(pagep.p,
 			    tupheadoffset,
 			    &readBuffer[0],
 			    numAttrsToRead,
@@ -821,7 +823,8 @@ bool Dbtup::readTriggerInfo(TupTriggerData* const trigPtr,
 			    ZATTR_BUFFER_SIZE,
 			    true);
 
-    ndbrequire(noCopyWords != (Uint32)-1);
+    ndbrequire(ret != -1);
+    noCopyWords = ret;
     if ((noMainWords == noCopyWords) &&
         (memcmp(mainBuffer, copyBuffer, noMainWords << 2) == 0)) {
 //--------------------------------------------------------------------