Bug 84529: Crash with return/enter key after switching Configuraition

Using return/enter key after switching Configuration takes you to the
next screen (r=bobj)

cck/driver/interpret.cpp

@@ -1002,18 +1002,18 @@ BOOL CInterpret::interpret(CString cmds, WIDGET *curWidget)
 						*p2++ = '\0';
 						CString value = replaceVars(parms, NULL);
 						BOOL newval = (!value.IsEmpty());
-						parms = p2;
-						p2 = strchr(parms, ',');
-						while (parms)
+						char *parms1 = p2;
+						p2 = strchr(parms1, ',');
+						while (parms1)
 						{
 							if (p2)
 								*p2++ = '\0';
 							WIDGET *w = findWidget(parms);
 							if (w)
 								w->control->EnableWindow(newval);
-							parms = p2;
-							if (parms)
-								p2 = strchr(parms, ',');
+							parms1 = p2;
+							if (parms1)
+								p2 = strchr(parms1, ',');
 						}
 					}
 				}