facedetect: Fix compiler warning with clang 3.8
authorHeinrich Fink <hfink@toolsonair.com>
Fri, 10 Jun 2016 08:32:46 +0000 (11:32 +0300)
committerSebastian Dröge <sebastian@centricular.com>
Fri, 10 Jun 2016 08:33:52 +0000 (11:33 +0300)
commit3107f5df76b09b229d1aa97333fe57be7e4af223
treeea129aada26d01be571429d136855186453250d9
parentea7c0981ec6a15d19d47c3ef59c24dfb3957ad6e
facedetect: Fix compiler warning with clang 3.8

Use namespace only after it was actually defined by a header.

gstfacedetect.cpp:79:17: error: using directive refers to implicitly-defined namespace 'std' [-Werror]
using namespace std;
                ^
ext/opencv/gstfacedetect.cpp