Fix compilation errors with 4.7.2 on debian

There is still (at least) 1 compilation error left, but it is in opencv (it seems that cvconfig.h does not get installed)

In file included from /home/gelas/cronjob/install/include/opencv2/ts/ts.hpp:581:0,
                 from libmv/src/libmv_opencv/test/test_precomp.hpp:9,
                 from libmv/src/libmv_opencv/test/test_robust.cpp:36:
/home/gelas/cronjob/install/include/opencv2/ts/ts_perf.hpp:4:22: fatal error: cvconfig.h: No such file or directory