Removed unused numX, numY member variables, and added initializer for firstHeaderWrite.

src/osgPlugins/txp/trpage_warchive.cpp

@@ -85,6 +85,8 @@ void trpgwArchive::Init(char *inDir,char *inFile,trpg2dPoint &sw, trpg2dPoint &n
     isRegenerate = true;
     errMess[0] = '\0';
 
+    firstHeaderWrite = true;
+
     // TODO: have a "setup from file" method for trpgwArchive
 
     // Open a Read Archive to get the rest of the info we need

src/osgPlugins/txp/trpage_write.h

@@ -334,7 +334,7 @@ protected:
 
 	trpgTileTable tileTable;
 
-	int numX,numY,numLod;
+	int numLod;
 	TileMode tileMode;
 
 	trpgwAppFile *tileFile;