compute_image_mean namespace fix.

diff --git a/tools/compute_image_mean.cpp b/tools/compute_image_mean.cpp
index 0c0f0f3f7e53cebe7c80f988e3797a48693cc34a..79bfdc7c4bbc4b9534d2ec303d50b365c2d88a20 100644 (file)
--- a/tools/compute_image_mean.cpp
+++ b/tools/compute_image_mean.cpp
@@ -13,6 +13,7 @@
 
 using caffe::Datum;
 using caffe::BlobProto;
+using std::string;
 using std::max;
 
 int main(int argc, char** argv) {