fixed matlab preamble on c files

src/c/Tracker/Hull.cpp

src/c/Tracker/Hull.h

src/c/Tracker/Utility.cpp

src/c/Tracker/Utility.h

src/c/Tracker/cost.cpp

src/c/Tracker/cost.h

src/c/Tracker/paths.cpp

src/c/Tracker/paths.h

src/c/Tracker/tracker.cpp

src/c/Tracker/tracker.h

src/c/Tracker/trackerMex.cpp

src/c/mexDijkstra/CSparseWrapper.cpp

src/c/mexDijkstra/CSparseWrapper.h

src/c/mexDijkstra/mexDijkstra.cpp

src/c/mexDijkstra/mexDijkstra.h

src/c/mexGraph/CSparseWrapper.cpp

src/c/mexGraph/CSparseWrapper.h

src/c/mexGraph/mexGraph.cpp

src/c/mexGraph/mexGraph.h

src/c/mexHashData/mexHashData.cpp