fix for a bug which prevented commiting changed multiline geometries

git-svn-id: http://svn.osgeo.org/qgis/trunk@5419 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/core/qgsgeometry.cpp

@@ -642,6 +642,7 @@ bool QgsGeometry::deleteVertexAt(QgsGeometryVertexIndex atVertex)
 	int pointindex = 0;
 	for(int linenr = 0; linenr < *nLines; ++linenr)
 	  {
+	    memcpy(newBufferPtr, ptr, sizeof(int) + 1);
 	    ptr += (sizeof(int) + 1);
 	    newBufferPtr += (sizeof(int) + 1);
 	    nPoints = (int*)ptr;
@@ -885,6 +886,7 @@ bool QgsGeometry::insertVertexBefore(double x, double y, QgsGeometryVertexIndex
 
 	for(int linenr = 0; linenr < *nLines; ++linenr)
 	  {
+	    memcpy(newBufferPtr, ptr, sizeof(int) + 1);
 	    ptr += (sizeof(int) + 1);
 	    newBufferPtr += (sizeof(int) + 1);
 	    nPoints = (int*)ptr;

src/providers/postgres/qgspostgresprovider.cpp

@@ -1937,6 +1937,10 @@ bool QgsPostgresProvider::changeGeometryValues(std::map<int, QgsGeometry> & geom
       sql+="::bytea',"+srid+")";
       sql+=" WHERE " +primaryKey+"="+QString::number(iter->first);
 
+#ifdef QGISDEBUG
+      qWarning(sql);
+#endif
+
 #ifdef QGISDEBUG
       std::cerr << "QgsPostgresProvider::changeGeometryValues: Updating with '"
                 << sql.toLocal8Bit().data()