Index: trunk/ppStack/src/ppStack.h
===================================================================
--- trunk/ppStack/src/ppStack.h	(revision 34800)
+++ trunk/ppStack/src/ppStack.h	(revision 34849)
@@ -117,4 +117,5 @@
 bool ppStackCombineBackground(ppStackThreadData *stack, ppStackOptions *options, pmConfig *config);
 bool ppStackCombineMedian(ppStackThreadData *stack, ppStackOptions *options, pmConfig *config);
+bool ppStackLinearScale(psArray *inputs, pmConfig *config);
 
 // Return software version