[Kst] branches/kst/1.3/kst/src/libkstmath

[Adam Treat]

SVN commit 593177 by treat:

* Backport for #593176


 M  +4 -2      kstequation.cpp  


--- branches/kst/1.3/kst/src/libkstmath/kstequation.cpp #593176:593177
@@ -25,7 +25,6 @@
 
 // include files for Qt
 #include <qstylesheet.h>
-#include <qdeepcopy.h>
 
 // include files for KDE
 #include <klocale.h>
@@ -268,6 +267,7 @@
   // document loading with vector lazy-loading
   setDirty();
   _equation = in_fn;
+
   VectorsUsed.clear();
 
   KstScalarMap::Iterator it = _inputScalars.begin();
@@ -293,7 +293,9 @@
       Equation::FoldVisitor vis(&ctx, &_pe);
       KstStringMap sm;
 
-      if (_pe->collectObjects(VectorsUsed, _inputScalars, sm)) {
+      KstScalarMap tmp = _inputScalars;
+      if (_pe->collectObjects(VectorsUsed, tmp, sm)) {
+        _inputScalars = tmp;
         if (lockData) {
           KstScalarMap::Iterator it = _inputScalars.begin();
           for (; it != _inputScalars.end(); ++it) {