Removed superfluous extern "C".
Removed superfluous extern "C".

hfp/libxsmm,hfp/libxsmm,hfp/libxsmm,maxhutch/libxsmm,egeor/libxsmm,egeor/libxsmm,maxhutch/libxsmm,egeor/libxsmm,hfp/libxsmm,maxhutch/libxsmm,egeor/libxsmm,hfp/libxsmm,maxhutch/libxsmm,egeor/libxsmm,egeor/libxsmm,hfp/libxsmm