Use stack for storing saved cursor positions

That fixes issue with latest versions of Midnight Commander - it
"restores" on exit the latest postion was set, that is equal to 0.0.

src/apps/terminal/BasicTerminalBuffer.cpp

@@ -176,6 +176,8 @@ BasicTerminalBuffer::Init(int32 width, int32 height, int32 historySize)
 
 	fDirtyInfo.Reset();
 
+	fSavedCursors.push(TermPos(0, 0));
+
 	return B_OK;
 }
 
@@ -923,14 +925,16 @@ BasicTerminalBuffer::DeleteLines(int32 numLines)
 void
 BasicTerminalBuffer::SaveCursor()
 {
-	fSavedCursor = fCursor;
+	fSavedCursors.push(fCursor);
 }
 
 
 void
 BasicTerminalBuffer::RestoreCursor()
 {
-	_SetCursor(fSavedCursor.x, fSavedCursor.y, true);
+	_SetCursor(fSavedCursors.top().x, fSavedCursors.top().y, true);
+	if (fSavedCursors.size() > 1)
+		fSavedCursors.pop();
 }
 
 

src/apps/terminal/BasicTerminalBuffer.h

@@ -6,6 +6,7 @@
 #define BASIC_TERMINAL_BUFFER_H
 
 #include <limits.h>
+#include <stack>
 
 #include "HistoryBuffer.h"
 #include "TermPos.h"
@@ -223,7 +224,7 @@ protected:
 
 			// cursor position (origin: (0, 0))
 			TermPos				fCursor;
-			TermPos				fSavedCursor;
+			std::stack<TermPos>	fSavedCursors;
 			bool				fSoftWrappedCursor;
 
 			bool				fOverwriteMode;	// false for insert

src/apps/terminal/Jamfile

@@ -37,7 +37,8 @@ Application Terminal :
 	TitlePlaceholderMapper.cpp
 	VTKeyTbl.c
 	VTPrsTbl.c
-	: be $(HAIKU_LOCALE_LIBS) tracker textencoding $(TARGET_LIBSUPC++)
+	: be $(HAIKU_LOCALE_LIBS) tracker textencoding
+	$(TARGET_LIBSUPC++) $(TARGET_LIBSTDC++)
 	: Terminal.rdef XColors.rdef
 ;