avoid EndDocument and AbortDocument + nasty dialogs during printing regression tests

bug 125053 r=karnaze,rods sr=attinasi

content/base/src/nsDocumentViewer.cpp

@@ -800,7 +800,7 @@ PrintData::~PrintData()
 
   OnEndPrinting(NS_OK); // removes listener
 
-  if (mPrintDC) {
+  if (mPrintDC && !mDebugFilePtr) {
 #ifdef DEBUG_PRINTING
     fprintf(mDebugFD, "****************** End Document ************************\n");
 #endif

layout/base/nsDocumentViewer.cpp

@@ -800,7 +800,7 @@ PrintData::~PrintData()
 
   OnEndPrinting(NS_OK); // removes listener
 
-  if (mPrintDC) {
+  if (mPrintDC && !mDebugFilePtr) {
 #ifdef DEBUG_PRINTING
     fprintf(mDebugFD, "****************** End Document ************************\n");
 #endif