r=mkaply, sr=blizzard, OS/2 only - fixes a couple names/comments

widget/src/os2/nsDeviceContextSpecOS2.cpp

@@ -153,7 +153,6 @@ nsresult nsDeviceContextSpecOS2::SetPrintSettingsFromDevMode(nsIPrintSettings* a
   PDJP_ITEM pDJP = (PDJP_ITEM) pDJP_Buffer;
 
   HDC hdc = nsDeviceContextSpecOS2::PrnDlg.GetDCHandle(printer);
-  char* driver = nsDeviceContextSpecOS2::PrnDlg.GetDriverType(printer);
 
   //Get Number of Copies from Job Properties
   pDJP->lType = DJP_CURRENT;

widget/src/os2/nsDeviceContextSpecOS2.h

@@ -102,7 +102,7 @@ private:
 BOOL PrnClosePrinter( PRTQUEUE *pPrintQueue);
 
 // Get a DC for the selected printer.  Must supply the application name.
-HDC PrnOpenDC( PRTQUEUE *pPrintQueue, PSZ pszApplicationName, int copies, int toPrinter, char *file);
+HDC PrnOpenDC( PRTQUEUE *pPrintQueue, PSZ pszApplicationName, int copies, int destination, char *file);
 
 // Get the hardcopy caps for the selected form
 BOOL PrnQueryHardcopyCaps( HDC hdc, PHCINFO pHCInfo);

widget/src/os2/nsPrintdOS2.h

@@ -51,7 +51,7 @@ typedef struct OS2prdata {
         printDest destination;     /* print to file, printer or print preview */
         int copies;                /* number of copies to print   0 < n < 999 */
         char printer[ PATH_MAX ];  /* Printer selected - name*/
-        char path[ PATH_MAX ];     /* If toPrinter = PR_FALSE, dest file */
+        char path[ PATH_MAX ];     /* If destination = printToFile, dest file */
         PRBool cancel;		     /* If PR_TRUE, user cancelled */
 } OS2PrData;