Minor its datasource tweaks.

src/datasources/its/its.c

@@ -166,9 +166,6 @@ int ITSreadimage(ITSfile *its, int frame, int i_img, ITSimage *I) {
     return 0;
   }
 
-  // FIXME: INDEX is wrong! (?)
-  //index-=3;
-
   // Second: read the header in the data file
   offset = lseek(its->fp_data, index, SEEK_SET);
   if (offset != index) {

src/datasources/its/itsdatasource.cpp

@@ -314,6 +314,7 @@ void ITSSource::reset() {
   if (_itsfile) {
     ITSclose(_itsfile);
   }
+  _nframes = 0;
   _valid = false;
   if (init()) {
     _valid = true;
@@ -329,6 +330,7 @@ bool ITSSource::init() {
   _itsfile = ITSopen(_filename.toAscii().data());
   if (_itsfile->status != ITS_OK) {
     ITSclose(_itsfile);
+    _nframes = 0;
     _itsfile = 0;
     return false;
   }
@@ -351,7 +353,7 @@ bool ITSSource::init() {
 }
 
 
-// Check if the data in the from the source has updated.  Typically done by checking the frame count of the datasource for 
+// Check if the data in the source has updated.  Typically done by checking the frame count of the datasource for
 // changes.
 Kst::Object::UpdateType ITSSource::internalDataSourceUpdate() {
 

src/libkst/object.cpp

@@ -108,12 +108,11 @@ Object::UpdateType Object::objectUpdate(qint64 newSerial) {
     _serialOfLastChange = newSerial;
     _serial = newSerial;
     return Updated;
+  } else {
+    _serial = newSerial;
+    return NoChange;
   }
-  // else
-  _serial = newSerial;
-  return NoChange;
 }
-
 }
 
 // vim: ts=2 sw=2 et