(svn r17570) -Fix: a number of Doxygen warnings about missing parameters, which were sometimes missing and sometimes just typos

src/ai/ai_instance.hpp

@@ -164,6 +164,7 @@ private:
 
 	/**
 	 * Save one object (int / string / arrray / table) to the savegame.
+	 * @param vm The virtual machine to get all the data from.
 	 * @param index The index on the squirrel stack of the element to save.
 	 * @param max_depth The maximum depth recursive arrays / tables will be stored
 	 *   with before an error is returned.

src/ai/api/ai_road.cpp

@@ -402,6 +402,7 @@ static bool NormaliseTileOffset(int32 *tile)
 /**
  * Check whether one can reach (possibly by building) a road piece the center
  * of the neighbouring tile. This includes roads and (drive through) stations.
+ * @param rts The road type we want to know reachability for
  * @param start_tile The tile to "enter" the neighbouring tile.
  * @param neighbour The direction to the neighbouring tile to "enter".
  * @return true if and only if the tile is reachable.