Add function for loading world height data

Tactical/Map Information.cpp

@@ -20,6 +20,7 @@ FLOAT gdMajorMapVersion = MAJOR_MAP_VERSION;
 BOOLEAN gfWorldLoaded;
 
 MAPCREATE_STRUCT gMapInformation;
+MAPCREATE_STRUCT gMapInformationAutoResolve;
 
 //CHRISL: MINOR_MAP_VERSION information moved to worlddef.h by ADB.  We're using these values elsewhere and need them
 //	in the header file

Tactical/Map Information.h

@@ -57,6 +57,7 @@ public:
 };
 
 extern MAPCREATE_STRUCT gMapInformation;
+extern MAPCREATE_STRUCT gMapInformationAutoResolve;
 
 void LoadMapInformation(INT8** hBuffer, FLOAT dMajorMapVersion);
 void SaveMapInformation(HWFILE hFile, FLOAT dMajorMapVersion, UINT8 ubMinorMapVersion);